A.handling of cargo cases
B.hanging oilskins
C.sewing canvas
D.splicing small stuff
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A.6 inches in diameter and 19 fathoms long
B.6 inches in circumference with 19 strands
C.6 strands with 19 wires in each strand
D.19 strands with 6 wires in each strand
A.12 strands and a two-inch diameter
B.12 strands and a two-inch circumference
C.6 strands and a two-inch diameter
D.6 strands and a two-inch circumference
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最新試題
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to().
An anchor winch should be equipped with mechanical brakes capable of holding().
Limit switches on gravity davits should be tested by().
Back-up wires on a towed vessel provide().
At the instant when a string of casing being run from a ship is landed in the well head,().