2. Chef skills: food safety, food collocation, food cooking, food setting, food cooking technology, etc.
3. Chef management: kitchen management, kitchen equipment maintenance, kitchen financial management, kitchen personnel management, etc.
4. Chef culture: chef culture, chef etiquette, chef etiquette, chef etiquette, chef etiquette, etc.
5. Chef practice: chef practice, chef practice technology, chef practice management, chef practice skills, etc.