单项选择题
A.hammer B.saw C.spanner D.crowbar
（）(沥青) is used in bilges and peak tanks.A.Cement washB....
单项选择题（）(沥青) is used in bilges and peak tanks.
A.Cement wash B.Bitumen C.Paint D.Varnish
（）(清漆) is certainly for deck rails, cabin doors and the...
单项选择题（）(清漆) is certainly for deck rails, cabin doors and the other woodwork.
A.Varnish B.White paint C.Black paint D.Primer
The first coat to a bare metal surface is the （）(底漆).A....
单项选择题The first coat to a bare metal surface is the （）(底漆).
A.undercoat B.primer C.topcoat D.thinner
