Of these options the U.S. Labor Department says food manufacturing employees the most people.
美国劳工部称,在以上选项中,食品制造业的雇佣人数最多。
英语百科
Food manufacturing
Food manufacturing is the process by which food is manufactured.
Early food processing techniques were limited by the available food preservation, packaging and transportation. Early food processing mainly involved salting, curing, curdling, drying, pickling and smoking. An example of an early processed food product is cheese.