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hard hat

noun

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Time Traveler for hard hat

Time Traveler

The first known use of hard hat was in the 15th century

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Last Updated

24 Feb 2020

Cite this Entry

“Hard hat.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hard%20hat. Accessed 4 Apr. 2020.

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