产品回收应该怎么处理？
参考答案：需经预先批准，并对相关的质量风险进行充分评估，根据评估结论决定是否回收。回收应当按照预定的操作规程进行，并有相应记录。
The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?（）
A.Application for Inspection
B.Change of Employment
C.Permit to Proceed
D.Temporary Certificate of Inspection
油脂漆类主要有清漆、厚漆、油性调和漆三大类。
