PLEASE PUT ON BOOTS, GLOVES AND HATS WHEN YOU VISIT THE FACTORY

PLEASE PUT ON BOOTS, GLOVES AND HATS WHEN YOU VISIT THE FACTORY.
This notice is telling people to
A、look after their own clothes during the visit.
B、wear special clothes in the factory.
C、visit the factory only between certain times.
【正确答案】：B

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PLEASE PUT ON BOOTS, GLOVES AND HATS WHEN YOU VISIT THE FACTORY

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