2015年12月31日星期四

natural gas furnaces

Find a huge selection of popular gas heaters including, natural gas furnaces, gas garage heaters, and gas wall heaters. Ideal for those in search of an affordable and efficient heating system.no open flame, heating up fast, use long life, along with the double protection, more safe and reliable product, electric heater a pursuit of better heating effect

2015年12月26日星期六

Users can also bake clothes on top of it

In addition to a clean and electrical indoor heaters is better, but for the bedroom and bathroom use. In addition some products are still at the top with a clothes drying rack. Users can also bake clothes on top of it. For rainy weather is warm the oil portable gas room heater role on the show.

2015年12月21日星期一

a large amount of wood scraps

electric kebab grill invented the modern charcoal briquette. Kingsford was a relative of Henry Ford. Ford assigned Kingsford the task of establishing a Ford auto parts plant and sawmill in northern Michigan, a challenge that Kingsford embraced. The local community swelled and was named Kingsford in his honor.electric kebab grills noticed that Ford's Model T production lines were generating a large amount of wood scraps that were being discarded.

2015年12月16日星期三

to the assembly line to process

Kingsford suggested to Ford that a charcoal manufacturing facility be established next to the assembly line to process and sell charcoal under the Ford name in Ford dealerships. Several years after electric kebab grills,the chemical company was sold to local businessmen and renamed the barbecue grill


2015年12月11日星期五

otherwise known as lava rock.


The outdoor gas grill was invented in the early 1950s by Don bbq electric grills, owner of the Chicago Combustion Corp., known today as invented the first built-in grill from the successful gas broiler called electric kebab grill. These first Lazy-Man grills were marketed as open-fire charcoal-type gas broilers which featured permanent coals, otherwise known as lava rock.


2015年12月6日星期日

blue and other color in the shell, so Heater quite stylish.

Styles Safety First, depending on your environment and space selection.Electric fan heater is an electric heaters for home, desktop, vertical, wall-mounted points, desktop Heater small size, vertical electric fan heater, smooth lines, a wall-mounted fan heater to save space. Heater generally handsome in appearance, elegant, coupled with red, dark gray, blue and other color in the shell, so Heater quite stylish. 

2015年12月1日星期二

Effect of gas heater

The new body is filled with thermal oil, when the power is turned, oil is heated around electrical heaters pipes, then flake along the heat pipe or the heat dissipated. When the oil temperature reaches 85 ℃, its temperature control elements or own power. This gas room heaters thermal oil without replacement, long life, price is generally between 400 to 500 yuan. Fit in the living room, bedroom, hallway and the elderly and families with children to use, with safety, health, clean, odorless advantage.

2015年11月27日星期五

Historical Development bbq machines

bbq machines originated in the ancient imperial palace Turkish kebab banquet, after spread to the public, because of its simple production methods, fast, unique and delicious spread throughout the Middle East, Europe, America passed the 1960's, the continuous improvement and specifications, form a complete, easy to join management system, has now become one of the mainstream food all over the streets of a casual snack. The magnificent barbecue column filled with the aroma of overflowing streets, shopping malls, hotels, railway stations, playgrounds, residential areas, the streets of Europe and America has become a beautiful landscape. kebab grill Its enduring unrest amazing, unforgettable.

2015年11月23日星期一

electric gas heater

In the electric wire heating body is heating material heating mainly on the market more and more traditional warm air dryers. It is an electric wire heating element, electric gas heater the use of a fan to blow the heat produced by the heating wire out. There is also now a new product on the market: resembles a fan shape, the electric wire wound ceramic insulation seat heating, the use of reflective surface to heat diffusion to the room. Such heaters with fans, like automatic rotation,APG Appliance to the whole room heating, suitable for 8 meters below the small room use.

2015年11月19日星期四

Security

Security: Our heating products, safe, with dumping protection,electric house heaters  flame protection, hypoxia protection, if you do not accidentally hit it, it will immediately turn off automatically expire, you need to re-open to burn again, completely solve your worries. Mainly suitable for hotels, bars, restaurants, coffee shops, patio, garden, pedestrian street, station kiosks, sports hall, pedestrian street, large conference rooms, car showrooms, bath, good factory floor, restaurant, garden and and outdoor leisure air circulation places, electrical indoor heater for an area of ​​50 to 120 square meters, the larger the area, the slower warming.

2015年11月15日星期日

Electric heaters precautions when installing

electric fan heaters in use should pay attention to these points: The following winter, when the temperature 0 ℃ windshield will be a layer of ice and frost. Efficient electric heater when starting the engine, the water temperature rose above 40 ℃, the manipulation identified by signs placed defrost position, the position of the cycle into the indoor cycle, open the blower motor into third gear position, and the motor speed highest, make it work for 3-5 minutes, then you can put into a gear, second gear position according to defrost situation. Best not to leave the cab driver during this period, such as found motor does not turn, the motor gear should be immediately returned to the closed position, to avoid burn shifting resistors. When the outside temperature is low, the cab drivers and passengers for a long time, there will be frost glass, can be manipulated into position location and outdoor defrost cycle, the motor can be placed in a block or two gear positions, so that we can in addition to frost clean. When no external sand and dust, can put into circulation outside that cabin air fresh. If dust or sand, and when the weather is too cold, the circulation into the indoor cycle, avoid sand and dust into the cab.

2015年11月11日星期三

Development Trend of Water Heater

Refers to food through various physical principles, in a certain period of time so that the cold water into the hot water temperature of a device. Water heaters can be divided according to different principles of electric water heaters, gas water heaters, solar water heaters, three, including electric house heaters feature is easy to use, energy saving and environmental protection, can continue to supply hot water. electric gas heaters heating by burning through the heat exchanger to transfer heat to the cold water in order to achieve a gas appliances, hot water preparation purposes, apg gas heater is still the first choice for many consumers. The gas water heater safety is our greatest concern. Timely discharged poisonous gas, gas water heater safety become key. Europe and the United States from the development point of view, forced to exhaust gas water heater is the inevitable trend of development.

2015年11月7日星期六

electric grills and maintenance tips

electric grills and maintenance tips
1.bbq electric grills belong electrical power, you must use a separate socket to avoid accidents.
2. The oven is hot work kitchen appliances, do not place debris around, away from the gas furnace, electric grill machine operating conditions do not allow children to touch Oven-round heat
3. Professional manufacturers, external pressure perfectly balanced, without worrying about the explosion can be safely assured.
4.electric kebab machine body can not use water rinse. Do not clean with sharp objects, such as a wire brush, clean ventilated place to dry naturally.
5. Use a period of suspended animation timer may occur or virtual spaces. The case of suspended animation occurs only need to dial back to zero, imaginary bits appropriately increased to reduce the time-line.

2015年11月3日星期二

electric kebab machine Detailed features

Before initial use to bake unpowered electric grill with a cloth to wipe the inside and outside again, and then the oven temperature is raised to the highest position, and transferred to the vertical tube heat stalls, open the oven door, turn on the power empty bake for 15-20 minutes can. Because electric kebab machines heat pipe above a layer of protective oil, roasted empty if smoke or odor shed, which was normal. 2. Before the first use before preheating electric barbecue grills, preheat the oven are required prior to a specified temperature, about 10 minutes warm-up, in order to meet the baking time on the recipe. 3. When finished using the open oven door to make you more durable, after each finished baking, open the oven door, in order to distribute moisture. The variety of food baking temperature pasta, cakes and other foods more water: 140-160 ℃

2015年10月31日星期六

Caution electric grill machine

Caution electric barbecue grills machine
1, prohibits the ignition from the observation hole, otherwise easily cause an explosion.
2, the proposed use of the low pressure valve, otherwise it will cause plate crack tempering.
3, should be allowed to turn off the fan after the fire and then work for 3 minutes, until the duct cooling fan switch off again.
4. Do not use liquefied petroleum gas with impurities because the impurities easily clogged air nozzles.
5, pay attention to the use of the water sump, timely water, not dry.
6, transit Be careful not upside down, stress, strenuous vibration to avoid damage.
7, gas bbq grill series are low-pressure valve, pressure valve or prohibit the use of high-pressure valve.
8, found the leak, immediately turn off the gas valve, and to find the maintenance department repair before use.

2015年10月27日星期二

The trick with the ventilation fan buy indoor use, kitchen and bathroom with three.

The trick with the ventilation fan buy indoor use, kitchen and bathroom with three.
1, bathroom general smaller, about 2-4 square meters, the choice of open-fan 150-200 mm.
2, kitchen options unscreened with 250 mm exhaust fan(kitchen ventilation fans), such as when the kitchen is equipped with a hood off, time to install ventilation fans.
3, bedroom and living room area is generally about 12-16 square meters, with two-way type ventilator 250-300 mm more appropriate.

2015年10月23日星期五

the note of bbq

Barbecue may be mankind's most primitive way of cooking fuel is heated and dry air, and the food is placed in a hot dry air close to the heat source to heat the food position in general, barbecue food will be in the fire (more of meat) cooked to an edible, so I suggest that you choose a regular Electric BBQ Makers, you can choose safe and healthy electric kebab grill.

2015年10月20日星期二

APG electric bbq makers

bbq electric grill is a chain with a motor driven rotating machine so Qianzai to barbecue grills do not need to put the above will automatically rotate the customer hands, put a pan can put a curtain can also barbecue grilled seafood and other foods. Skewer machine is a table for each table in the indoor barbecue, there is good ventilation to keep the indoor environment clean and hygienic. Eat barbecue string is not the era of smoky streets, the barbecue skewer machine onto a new field.

2015年8月25日星期二

How to use at home barbecue machine

It was summer, it has been through many articles to introduce the use of features using the barbecue grill machine and each machine. But also to tell you some of the bacon needs attention. But some people can not be a matter of time due to the field for barbecue buffet, but they especially want to eat. So today Xiaobian to introduce how to use at home barbecue machine, so you can eat anywhere delicious barbecue.
1: When you are at home when the machine used in barbecue, barbecue machine is absolutely not be placed directly on the table, we need to iron plate or pad a piece of wood and other materials to prevent damage to the desktop.
Two: I remember the first in the grill pan first brush machine oil, followed by laying a layer of oil on paper. The aim is to extend the use of time absorbing paper, and can be kept clean at home.
Three: to use oil pan to wrap in aluminum foil, so it can easily achieve the effect of thermal insulation.
The last thing to remember is to use roasted spoon do not extend into the deep, to avoid burnout.
When you are finished using the machine when cleaning the barbecue, first cut off the power supply, have to wait until after the grill has been cooled down to clean, it will be more secure. Meanwhile way to remind everyone, barbecue rack and heat pipe is absolutely not able to water, but you can use a damp cloth, so that can clean up.
These are the kebab machine to use at home some of the considerations and how to clean. If you want to learn more about bbq electric grills can continue to focus on knowledge.

2015年8月23日星期日

Note barbecue

Today gave us something about our Notes on barbecue or when eating barbecue.
A: barbecue food choices.
Everyone's favorite barbecue is nothing more than a barbecue. We usually more suitable choices are: pork, lamb skewers, string mutton kidney, beef, string, chicken wings and so on. In this regard the barbecue ingredients selected must choose fresh. Try to carry out their own choosing on the market, this barbecue to eat something also safer.
II: spices selection.
Barbecue taste great extent on the one hand from seasoning recipe how. We choose to eat barbecue sauce have cumin powder, salt and pepper, fuel, black pepper oil, cooking oil and sugar and so on. Mainly choose different flavors of the ingredients according to personal preferences, but like a friend you can put some spicy chili.
Three: barbecue tools.
Already to introduce a variety of barbecue machine, you can choose a convenient and easy to carry or use for their own APG appliance barbecue machine, will not repeat them here.
Four: Barbecue money mainly attention.
In this still a need to remind you, we must know how to use your own electric kebab machine. Only by ensuring the safety performance to be able to grill. Another point to note is the placement of grill should choose relatively flat place, the damper should be on the air, so less smoke themselves, but also conducive to rising fire.
These are the times we need to pay attention at the barbecue. Here I wish we can properly enjoy their barbecue

2015年8月21日星期五

History barbecue

Now that so
bbq electric grills aspect of knowledge, today we have to talk about the historical development of barbecue, so after talking with friends, when I could say a few words.
In fact, the oldest record in the history recorded in barbecue originated in the ancient imperial palace Turkish kebab dinner, and later be able to spread in the folk.
Mainly simple way of making barbecue grill, fast and delicious at the same time unique to be able to spread throughout the Middle East. Moreover, according to historical records, was quite spectacular barbecue column, streets, playgrounds, residential areas are filled with the aroma of the original barbecue. Its enduring unrest amazing, unforgettable, want good taste them.
With barbecue in the countries continue to spread, barbecue machine also will be born. As already talked to you several types and works barbecue machine. Currently it, although many types of electric kebab grills, but the mainstream or gas-fired barbecue machine, charcoal barbecue and electric style barbecue machine three.

2015年8月19日星期三

Gas smokeless barbecue machine principle

This principle is somewhat similar to our electric grill machine household gas stove. Gas smokeless barbecue machine body made of stainless steel furnace, using electronic pulse ignition, use liquefied petroleum gas or natural gas burning up. This is mainly by controlling the electronic pulse switch to control the size of the size of the valve to control the flame, adjust the temperature of the size of the final play. Very easy to use, but you have to remember to bring a gas canister
For then use any time be able to control switches, safety and no pollution.

2015年8月17日星期一

How to buy an electric bbq electric grills frequency

electric grill machine is usually divided into three controlled automatic type (timing, thermostat, power), temperature and ordinary Simple timing pattern. For the average family, the choice of temperature timing pattern enough, because this type of function is complete, the higher cost. If electric kebab grill is like to bake foods, often you need to use a different baking home cooking, you can choose a higher grade of three controlled automatic type, such products are all kinds of baking function and taste, but the price is more expensive. And only occasionally baked goods for families, ordinary Simple is the "entry level" product. We need to focus on that, although this type of product is cheaper, but because of the temperature and time are controlled manually, requiring the user to carefully grasp the baking heat, avoid food "cooked" or over-bake,


2015年8月14日星期五

Note bbq electric grills when applied

When using the bbq electric grills, you should note the following:
⑴ operation by the use of specification requirements.
⑵  should be placed on a flat, stable surface, and ensure reliabl electric kebab grills contact with the ground stud in use 250V, 10A single-phase three-pin socket and its own power plug to match the use, during use, windows, sockets should be kept clean ʱ??
⑶ heat and temperature at different speeds, to master the use of baking food temperature, time is most important. Close the door have thermal phenomena, to turn baking food surface, to heat evenly.
⑷ access to food for a power operation, a good card with a fork handle pan to prevent fingers touching the heating element burns.
⑸ holding the lumen wall clean, baked goods is completed, if the lumen of a dressing, grease and other material that can be used wet towel gently wipe the bbq electric grills cavity wall of soapy clean up, and discharge of moisture from the door, bbq electric grills table
Water flush lumen to prevent electrical components from moisture.
⑹ when not in the power, temperature control, timing of the three position switch to shut down in a dry, ventilated and clean place.

2015年8月11日星期二

Charcoal barbecue smoke-machine principle

First, we all know wood charcoal burning process and then say the full release will produce carbon monoxide. It itself is a colorless, odorless gas. While charcoal is burned, so there is no smoke itself. However, we have seen ordinary bbq electric during the time when there is a large amount of smoke produced barbecue, it is primarily because the barbecue when the oil and spices fell into carbon fire, which generated a lot of smoke. This
Consideration will understand why they own a charcoal using smokeless electric bbq maker Why will generate a lot of smoke. Thus their future in the process of using so much to know how to avoid the smoke, and do the little things to protect the environment.

2015年8月9日星期日

Clean barbecue machine maintenance

With barbecue prevalent among young people, the demand for electric kebab machines also soared. Front also give you talked about the use of methods and precautions kebab machine, I believe we have mastered. But not always use barbecue machine clean to avoid problems. Improper cleaning may damage the kebab machine circuits, but clean is not clean will affect the mood the next use. Today mainly to tell you about the barbecue machine
Cleaning and maintenance.
First thing is to keep a clean grill confidential. Try not to have residual food or charcoal grill, oil. The barbecue machine when not placed in ventilated, dry place, covered with grill cover. Barbecue machine can not place heavy objects on top of. If prolonged NA can spread a layer of oil has played the role of rust on the barbecue machine.
At the same time during the barbecue, it shall apply a layer of oil on the grill machine, to prevent the kind of stick baking line, but will also be easier to clean. It is also important, it is not to add to the charcoal during use liquid accelerant or spray, on the one hand it will damage the barbecue machine, on the other hand it is unable to predict the cause of accidents.
After cleaning barbecue. Usually the temperature was lowered to room temperature and other hand can touch the case, first of all interior surfaces wipe grill, pot roast and grill but remember to clean with water and brush for cleaning, conditions permitting, cleaning twice a cleaner ʱ?? Finally, barbecue machine with a clean, dry cloth, placed in ventilated, dry place.
This is a set of clean kebab machine maintenance methods, during a barbecue in the future when we know how to own portable electric bbq cleaning and maintenance of it.

2015年8月7日星期五

Turkish kebab machine use and advantages

With the arrival of summer, barbecue season also comes with it. Barbecue grill is the most famous, by now popular, and easy to operate. Give us today introduce a Turkish kebab machine to
The advantage of this machine and barbecue
When using a Turkish kebab machine, the first meat will be selected through a steel sign material and mounted in the cabin, then shut the doors and open the motor switch, barbecue machine to see whether the normal operation, the operation is very simple.
Barbecue machine after the operation to open the heating switch, electric heating tube, electric type gas type Turn the ignition switch, so that the infrared heating plate heated combustion barbecue.
Heating pipe electric kebab machine has two sets of switches for operation and also contains two switches in each switch, barbecue machine grilled meat division to a certain extent, you can turn off a set of switches slowly heated
Turkish kebab machine body adopts stainless steel shell, DC geared motor combination, beautiful appearance. Barbecue machine overall use of horizontal drawer structure, easy to operate. bbq machines heat through heating pipes and equipment in
Micro-motor driven skewers on grill automatic rotation of grilled chicken, grilled chicken so delicious, mature faster. A very important thing that barbecue machine safety and environmental protection, it is more to promote people to use it
Species barbecue skewers grilled on the line machine, barbecue machine while this is in line with future environmental trends.

2015年8月6日星期四

bbq electric grills features

A dry food
As we all know, after the seeds, biscuits and other food at home in a period of time will become wet, not only affect the taste, but also seriously affect food storage time, but the home bbq electric grills can be a resurgence of these foods, as we have just re-drying buy state. Delicious and healthy.
Second, snack processing diy
Everyone loves food, especially children, particularly sensitive for snacking. If the home purchase are household electric electric grill machine, then the child can bake in which bread, baked cookies, etc., and enjoy delicious snacks.
Third, eat barbecue at home
As long as seasoning to force, it can be grilled in their own. I want to eat anything eat anything, convenient and clean.
Fourth, the dough, to make chocolate food. Will require fermented dough into the bbq electric grills, the temperature was adjusted to a minimum, be able to do the dough as soon as possible. But after the chocolate is the same reason, the chocolate melts can be freely used in any place to play.


electric kebab machine

bbq electric grill

electric grill machine

Simple to use barbecue machine

Today, as China's economy continues to develop and constantly improve people's living standards, more and more people pay attention to the quality of life gradually improved. At present, the barbecue is a popular trend, due to the practice of simple and delicious barbecue, 90 years after the crowd of more and more involved in the barbecue industry, especially the barbecue buffet. So today as we introduce the use of food cooking machines.
After a smooth first kebab machine take a good ground can be used. Front grill is turned on to check whether the power and switch to normal use. Listen for unusual sound bbq electric grills machine running empty. When heated barbecue machine, observe heat pipe is normal heating. If the gas-fired barbecue machine, be sure to check kebab machine Gas Connections for leaks, and the ignition must see infrared burner plate is burning, if not normal then please check where the kebab machine malfunction.
These are some of the basics of using barbecue machine is very simple and easy to use, you like barbecue for friends to learn.

Handheld barbecue roasted tasty food

In recent years, eat barbecue food has become a popular, many families have with a professional electric kebab grills for home, in her spare can personally baked food clean and sanitary. But sometimes for different types of grilled steak barbecue machine is more difficult to control the furnace, the steak will be burnt and, therefore, a new electric grill machine came into being, which allows chefs to accurately grasp the grilled meat degree.
This machine is not just a barbecue kitchen cooking equipment, it is a new type of stove make perfect dishes that can uniformly heat the whole meat, like infrared heaters, like the barbecue smoke is minimized, and baked meat is very delicious.

Maintenance of stainless steel barbecue machine

First, many consumers are asking for a small series of barbecue machine which brand is good to give you some advice. Barbecue machine is cooking equipment, whether it is for home use or business use everyone wants to buy cost-effective electric bbq makers, the product on the market a lot, quality, price varies, buy cheap barbecue has become the user's machine "heart disease." Xiao Bian think what brand to buy the product is relatively better than the no-name, people will use a lot of quality and service are guaranteed, the price of the brand is the standard uniform.
Stainless steel electric kebab machines appearance of fine natural, corrosion-resistant, non-polluting, for our healthy diet, but also maintain long-term in order to allow young kebab machine, we can "love" stainless steel barbecue machine according to the following maintenance tips.
Radish or cucumber cut cross-section of some of the dirt dipped in flour to wipe stainless steel barbecue machine, which polish rinse with water after use, this is because the characteristics of radish juice break down dirt and strong, this method is also applicable to other stainless steel products. Xiao Bian reminded that the product must not be used for stainless steel ball or something hard to scratch, which greatly hurt the stainless steel "appearance."

2015年8月2日星期日

General operating electric bbq electric grills

electric grill machine generally have three buttons:
Function buttons: select the operating mode of bbq electric grills.
Temperature buttons: Adjust  electric kebab grill temperature.
Timing button: Configuring the operating hours toaster.
bbq electric grills keys with micro-display screen, the operating parameters relatively straightforward, but limited key life, knob bbq electric grills, the longer life, choose which opinions differ.

2015年7月26日星期日

bbq electric grills style

electric kebab grills models are mainly vertical and horizontal, where vertical is more suitable for the kitchen is not very big family, because it is not a floor space occupied, but the volume of space, as long as your home is not very low height structure it; horizontal is suitable for larger family kitchen area, but how to choose mainly depends on personal preference and a kitchen renovation features. In addition, the shell from the bbq electric grills
 view, can be divided into two kinds of metallic paint and spray. However, although the shape of preferences vary, but for electric bbq electric grills door, it should select high transparency more practical.

2015年7月21日星期二

bbq electric grills Classification

Divided by electric heating elements used in ordinary and far infrared type; according to whether the self-cleaning function (automatically turns the dirt inside the soup can be easily wiped features light gray) is divided into self-cleaning and non-self-cleaning type.
electric kebab grills heating elements used can be divided into three categories: one is the choice of a far-infrared heating pipe and a quartz tube bbq electric grills, the bbq electric grills it is all lower-grade type. However, the basic function is to achieve roasted, but the speed will be relatively slow roast it. Therefore, it is more suitable for the economic situation in general, but they need to buy a toaster families and singles. Another is the use of two far-infrared quartz heating tube and a tube , the bbq electric grills is characterized by such heating faster. However, compared with the former, the price is a little higher than some, usually one or two hundred dollars more expensive. Another type is provided in an annex a UV heating pipe, can bacteria sterilization, high level of health, and fast heating rate, so the price is more expensive, and it is suitable for the economic conditions are good consumers.
bbq electric grills

2015年7月12日星期日

bbq electric grills

bbq electric grills is the use of radiant heat emitted by the heating element grilled food kitchen appliances. electric kebab grills can be used to process some of the pasta, such as bread, pizza, you can also do egg tarts, cookies and the like dessert. Small household toaster oven into desktop and embedded oven two kinds. Desktop bbq electric grills benefit is very flexible and can choose different configurations of the bbq electric grills as needed, due to the quality of different configurations, the price from several hundred dollars to several thousand dollars, foreign brands are usually more expensive, but it is more cost-effective domestic products high, such as the sea's such factories do OEM export-oriented enterprises. Many foreign brands are also carried out in the domestic OEM OEM. We recommended to choose with the "not contaminated with oil tank" model, long-term use of cleaner.

2015年7月10日星期五

bbq electric grills Works

bbq electric grills is the use of electricity with which we can make roast chicken, roast duck, baked bread and pastries. According to the different needs of bakery, electric grill machine temperature is generally in the range can be adjusted 50-250 ℃.
bbq electric grills mainly by the cabinet, heating elements, thermostats, timers and power adjustment switches and the like. Its cabinet mainly by the shell, the compartment liner three-tier structure, the formation of curling around the edge of the liner in order to cut off the air cavity; filling of expanded perlite insulation products in the outer chamber, the housing Temperature greatly reduced; spring structure installed under the door, the door is always pressed against the door frame, making it a better seal.
Heating bbq electric grills can be divided into surface heat) and up and down while heating three.