hard hat
US /ˈhɑːrd hæt/
UK /ˈhɑːrd hæt/

1.
baret, işçi kaskı
a helmet made of hard material, worn by workers to protect their heads from falling objects or blows
:
•
All construction workers must wear a hard hat on site.
Tüm inşaat işçileri sahada baret takmalıdır.
•
He put on his hard hat before entering the mine.
Madene girmeden önce baretini taktı.