Sometimes, it is necessary for （）to mix the paint.

单项选择题Remember that gloomy, damp and rainy days are not suitable for （）.

A.working
B.painting
C.washing
D.cleaning

单项选择题Put on your chipping （）when chipping and scraping.

A.goggles
B.glasses
C.goggle
D.hammer

单项选择题The sailor working aloft should wear （）.

A. safety cap
B. life jacket
C. safety harness
D. clothes

单项选择题Secure your safety harness when working （）.

A.aloft
B.outboard
C.A&B
D.inboard

单项选择题Rig （）on both side of the bow.

A. the gangway
B. the paint boards
C. the pilot ladder
D. all of the above