The United States has always been active in promoting the ratooning verpackungsgesellschaft of reuseof, but will be recycled plastics to food packaging, involves a lot of health and safety problems.

• 美国一向积极鼓励再生塑料包装材料的再利用，但将再生塑料应用到食品包装上，会涉及到很多健康和安全的问题。