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English definition of “hard hat”

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hard hat

noun [C] /ˈhɑrd ˌhæt/
a hat made of a strong material which is worn to protect the head esp. of someone who builds buildings
Translations of “hard hat”
in Chinese (Traditional) (建築工人等戴的)安全帽…
in Chinese (Simplified) (建筑工人等戴的)安全帽…
(Definition of hard hat from the Cambridge Academic Content Dictionary © Cambridge University Press)
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