问题 单项选择题

Paints and solvents on a vessel should be().

A.stored safely in a cool dark non-ventilated area until work is completed

B.resealed and returned to a well ventilated area after each use

C.covered at all times to protect from ignition sources

D.stored in a suitable gear locker

答案

参考答案:B

单项选择题 B型题
选择题