Varnish gives a clear protection coat to （）.

单项选择题（）are for radiators and pipes and for the ship’s funnel.

A. Varnishes
B. Anti-corrosive paints
C. Heat-resistant paints
D. Primer

单项选择题（）is applied to the area of the ship’s hull which is out of water when the ship is loaded.

A. Boottopping paint
B. Topside paint
C. Bottom paint
D. Primer

单项选择题Topside paint is applied to the area of the ship’s （）which is out of water when the ship is loaded.

A.hull
B.cabin
C.cargo hold
D.deck

单项选择题（）can give a hard-wearing surface and the required color.

A.Primers
B.Undercoats
C.Topcoats
D.Cement wash

单项选择题Undercoats are used （）the primer before the topcoat.

A.in
B.over
C.to
D.with