单项选择题
Boilers and cylinders are（）.
A.raw metallic products
B.finished metallic products
C.consumable products
D.Manufactured goods of large Size
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相关考题
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单项选择题
Tools and instruments belong to（）.
A.raw materials
B.consumable products
C.finished metalic products
D.raw metallic products -
单项选择题
When loading or unloading baled cargo on board,the straps（）to lift or drag the bales.
A.are forbidden
B.are allowed
C.can be used
D.are usually used -
单项选择题
Raw materials belong to（）.
A.hazardous cargo
B.non-hazardous cargo
C.food product
D.consumable product
