1.certificate of radioactivity 放射性检验证书

radioactivity n.放射性，放射能;放射现象

We have to learn to control radioactivity.我们必须学会控制放射能。

2.certificate of weight 重量检验证书

weight n.重量

What is your weight?你体重多少?

The baby’s weight was four kilos.这个婴儿体重4千克。

3.certificate on cargo weight & measurement 货载衡量检验证书

4.certificate on damaged cargo 货物残损检验证书.

5.certificate of tank/hold 船舱检验证书