safety harness
— Noun
– English
～ belt attaching you to some object as a restraint in order to prevent you from getting hurt
safety lamp
— Noun
– English
～ an oil lamp that will not ignite flammable gases (methane)
safety
— Noun
– English
～ contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
safety rail
— Noun
– English
～ a railing placed alongside a stairway or road for safety
safety-deposit
— Noun
– English
～ a fireproof metal strongbox (usually in a bank) for storing valuables
safety margin
— Noun
– English
～ the margin required in order to insure safety; "in engineering the margin of safety is the strength of the material minus the anticipated stress"