safety helmet

Though the law requires a safety helmet when doing such work, he was not given one.

It’s a relatively mild morning, with temperatures headed to the high 90s, but still warm enough to get me sweating under my safety helmet.

Department of Transportation complaint motorcycle safety helmet when riding a motorized bicycle.

Scientists have long hypothesized that a spongy bone in the woodpecker’s skull cushions its repeated head slams like a well-designed safety helmet.

The Rosneft logo is pictured on a safety helmet in Vung Tau, Vietnam April 27, 2018.