🇬🇧 en bg 🇧🇬

safety valve noun

  /ˈseɪfti ˌvælv/ , /ˈseɪftɪ ˌvælv/
  • A valve set to open at a pressure below that at which a container holding a gas, vapour, etc. (such as a boiler or pressure cooker), would burst, thus reducing the pressure; a relief valve.
 предпазен вентил
Wiktionary Links