單項選擇題

A “figure eight” knot is used to（）.

A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave

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單項選擇題

“15 02 41 Semi Double Queen 195 332mm”is a description of（）.

A.ISSA stores
B.IMPA stores
C.common marine stores
D.a reference to be studied

單項選擇題

（） is true.

A.ISSA stores are numbered in six digits
B.IMPA stores are numbered in six digits
C.IMPA stores are numbered in seven digits
D.both ISSA and IMPA stores are numbered in unique six digits

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