hard hat, protection helmet = kask ochronny (na budowie), hełm ochronny

Adult Builder Hard Hat - Autographed ...

Source: http://www.extremehomebybruno.com/merchandise.html

kask ochronny (na budowie), hełm ochronny

English sentence and Polish translation

Don't forget to take your hard hat! = Nie zapomnij zabrać swojego kasku ochronnego!