The oven, also known as oven, oven, oven, is a device for cooking food with hot air, generally closed or semi-closed structure. Those that are heated with hot air in an open form are called barbecues. Grill can also be used to refer generally to a device that treats food at high temperatures with hot air. In the West, grills are common in traditional domestic kitchens and are usually horizontal. In central China, they were traditionally used in the restaurant industry rather than in the home, and were mostly vertical. The fact that ovens were not common in ancient China may have been caused by a lack of fuel. Traditional ovens were heated by burning wood and coal. Modern ovens use electric heat or natural gas and have automatic thermostat systems.
The oven is to form hot air to bake cooking food a device, generally closed or semi-closed structure. Roasters are also known as ovens, ovens, ovens, open form of heating with hot air is called barbecue. Oven can also be used to refer to a device for high-temperature treatment with hot gas. If the oven is heated by hot air in an open form, it is called a barbecue. The term "grill" can also be used to refer to a device that uses hot gases for high-temperature treatment. Traditional grills use wood and coal for heating. Modern oven is multi-functional, the use of electric heat or natural gas, respectively, the oven is divided into single, double and triple layer type, each layer is independently controlled, can be used at the same time, but also a single layer of single oven is divided into single, double and triple layer type, each layer is independently controlled, generally have automatic thermostat system.