A.bollards
B.ballasts
C.bands
D.benefits
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A.a line is weakened by constantly pulling on it in one direction
B.normal wear on the line is thus distributed to different areas
C.it prevents the line from kinking or unlaying
D.it prevents permanent misalignment of the line's internal strands
A.managanese bronze
B.cast iron
C.mild steel
D.improved plow steel
最新試題
ECDIS must be able to perform all of the following EXCEPT（）.
What is it called when it is possible to ignite the vapour above the oil?（）
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Bales close to the deckhead should be covered to prevent（）.