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單項選擇題

A foam-type portable fire extinguisher would be most useful in combating a fire in（）.

A.soild materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solids

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單項選擇題

A galley grease fire on the stove may be extinguished using（）.

A.water
B.foam
C.the range hood extinguishing system
D.fire dampers

單項選擇題

A gypsy or gypsyhead is a（）.

A.punt used for painting over the side
B.small, reciprocating steam engine
C.spool-shaped drum fitted on a winch
D.swinging derrick

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