After riveting is completed, the joints on the shell of a vessel are generally made watertight by（）.<br>A:faying<br>B:caulking<br>C:felt or canvas packing<br>D:red lead

After riveting is completed, the joints on the shell of a vessel are generally made watertight by（）.
A:faying
B:caulking
C:felt or canvas packing
D:red lead

出自：海船船员证

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