In the past, grates generally referred to cooking utensils, mostly round, which were made of cut and polished bamboo pieces and buckled vertically and horizontally. They were put into cooking utensils such as pots, pots and kettles for steaming and stewing food.
At present, there are some grates made of polymer materials, iron, aluminum, stainless steel and other alloy materials, and together with the frame, they become cage drawers. Here, the function of the grate is mainly to support food, so that water vapor and heat can be better absorbed by food.
Extended data:
Single flat grate is a kind of comb tool made of bamboo, with a beam in the middle and dense teeth on both sides. Teeth are denser than combs, so compared with traditional combs, the function of comb is mainly to scrape off dandruff and lice hidden in hair.
The production of a single flat grate is a typical handicraft work, with meticulous and complicated technology and numerous procedures. The competition has to go through 108 "hands and feet". This is divided into three major links: running teeth, running period and running gear.
In the past, the sanitary conditions were poor and the lifestyle was backward. People often grow lice on their clothes and hair-gently combing their heads, which also plays a role in massaging the scalp, relaxing muscles and activating activities. Moreover, because the grate has been an object in the boudoir since ancient times, it has always been regarded as a symbol of affection between children and men. In the old society, poor rural youth generally gave the fireplace as a symbol of love to their lovers to express their sincere love.