A hoisting gear arranged so as to prevent its load being thrown precipitately down in case of accident.

A lock that cannot be picked by ordinary means. / (firearms) A lock with some device for preventing accidental firing of the weapon.

plural of safety hoist

Alternative form of safe haven

plural of safehaven

plural of transportation safety board

plural of transport safety board

A small flat sheet of paper or plastic containing safety information

(American football)

An advertisement intended to benefit the public interest by raising awareness of a threat to public safety, and informing the public of preventative measures to take.