What are the five elements of hotel work? thank you

The five elements of hotel work belong to fire, water and wood. Because hotel work often needs high temperature, light, heat, cooking, flammability, heat, fire drying, optics, high heat, liquid heat, oil, alcohol, flammable materials, electricity, oil, gas, firecrackers, fireworks, cosmetics, glasses, decorations, food and so on. At the same time, hotel work also needs to deal with people and needs more communication and communication skills. Therefore, hotel work is related to fire, water and wood in the five elements.