保ほ護ご帽ぼう

noun

hard hat; safety helmet

Refers to protective headgear worn at construction sites, factories, or during disaster prevention activities.

• 工こう事じ現げん場ばでは保ほ護ご帽ぼうの着ちゃく用ようが義ぎ務む付づけられている。

  Wearing a hard hat is mandatory at the construction site.