The payment proportionate to the part of the voyage accomplished or to the part of the cargo delivered is referred as（）.

The majority of cargo gear breakdowns are a result of（）.

A.Guy failures
B.Topping lift failures
C.Bending of the boom from compression
D.Gooseneck failure

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The inability to supply a cargo of the contractual quantity in the country of shipment（）the doctrine of frustration into operation.

A.is capable of bringing
B.is sufficient to bring
C.is not capable of bringing
D.is probally to bring

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