What is another word for hard hat?
Pronunciation: [hˈɑːd hˈat] (IPA) 
A hard hat is a type of protective helmet that is commonly worn at construction sites, factories, and other industrial settings. There are several synonyms for the term "hard hat," including construction helmet, safety helmet, work helmet, and protective headgear. These terms are often used interchangeably to refer to a helmet that is designed to protect the wearer from falling objects, impacts, and other hazards that are commonly found in industrial workplaces. Regardless of the specific name used, the important thing to remember is that a hard hat is an essential piece of safety gear that can help prevent serious injuries and save lives.
