FIRE DV SYSTEM FULL DETAIL/All parts name/auto& manual|fire deluge valve system|fire dv system Hindi

Описание: नमस्कार दोस्तों स्वागत है आपके यूट्यूब चैनल (FIRE AND SAFETY KNOWLEDGE) में
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This animation depicts activation of the BERMAD deluge system preventing fire from spreading to other parts of a building and isolating the nearby flammable material storage from the flames.
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