The color of a hard hat is meant to indicate the job and specialization ... Other specialists in supervisory roles like ...

In an engineer’s career, becoming a licensed engineer is a turning point and important milestone that validates their expertise. For the U.S. Army Corps of Engineers, accreditation assures ...

William Ross Aiken, an electrical engineer who became a pioneer in ... an assorted offering of plastic pellets color the hard hats.Credit...Luke Sharrett for The New York Times Didier Bonner ...

Joseph Strauss, the chief engineer of the Golden Gate Bridge, partnered with the company to create a hard hat tailored to protecting workers from falling rivets and particles released from sand ...