- vibration-proof lighting fitting
- вибропрочная осветительная арматура
English-Russian scientific dictionary. 2008.
vibration-proof lighting fitting
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Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… … Wikipedia
