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| sprinkler system (a fire-extinguishing system that releases water from overhead pipes through nozzles (sprinklers) opened automatically by a rise in temperature. CED Alexander Demidov) | |||
| automatic water fire-fighting system (ssn) | |||
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| sprinkler system (a fire-extinguishing system that releases water from overhead pipes through nozzles (sprinklers) opened automatically by a rise in temperature. CED Alexander Demidov) | |||
| automatic water fire-fighting system (ssn) | |||