Hard Hat

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Hard Hat

A helmet some workers are required to wear when employed in a hazardous position. For example, construction workers or oil drillers may have to wear hard hats as a condition of employment. Hard hats are closely associated with blue collar work.
References in periodicals archive ?
Hard-hat tour-guide Laughlin noted that while 56 percent of Hoover Dam's power goes to Southern California, that represents only about 1 percent of what the region uses.
3) A hard-hat tour of Hoover Dam includes intriguing features such as this cylindrical air shaft near the top of the dam.