it's related to catering.

frying, roasting, burning, exploding, stewing, frying, frying, steaming and boiling are related to fire.

frying means cooking, and roasting means barbecue. Burning means cooking, grilling, boiling water, and frying means stir-frying, such as stir-frying kidney, stewing means stew, stew, frying means fried chicken, fried dough sticks, fried eggs, pancakes, and steaming means steamed vegetables, such as steamed bass, steamed buns, boiled fish, etc. And all of the above are to be done in the kitchen, so frying, roasting, frying, stewing, frying and cooking are all related to catering.