- pneumatic loudspeakers
- • пневматичен високоговорител
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
transducer — /trans dooh seuhr, dyooh , tranz /, n. a device that receives a signal in the form of one type of energy and converts it to a signal in another form: A microphone is a transducer that converts acoustic energy into electrical impulses. [1920 25; … Universalium
Civil defense siren — Federal Signal Thunderbolt 1003 Civil Defense siren. A civil defense siren (also referred to as an air raid siren, tornado siren, tsunami siren, fire siren/whistle, flood siren, weather siren, time/curfew siren, or other outdoor warning siren) is … Wikipedia
Liverpool Metropolitan Cathedral — Church of Christ the King Liverpool Metropolitan Cathedral, Mou … Wikipedia
Carbon fiber reinforced plastic — (CFRP or CRP), is a very strong, light and expensive composite material or fiber reinforced plastic. Similar to glass reinforced plastic, sometimes known by the genericised trademark fiberglass, the composite material is commonly referred to by… … Wikipedia
speech — /speech/, n. 1. the faculty or power of speaking; oral communication; ability to express one s thoughts and emotions by speech sounds and gesture: Losing her speech made her feel isolated from humanity. 2. the act of speaking: He expresses… … Universalium
Carbon-fiber-reinforced polymer — For fibers of carbon, see carbon (fiber). Tail of an RC helicopter, made of CFRP Carbon fiber reinforced polymer or carbon fiber reinforced plastic (CFRP or CRP or often simply carbon fiber), is a very strong and light fiber reinforced polymer… … Wikipedia