वाटर बेस्ड सिस्टम जिनमें पाइपिंग यूज़ होता है को कितनी कैटेगरी में बांटा गया है? Water based systems which have piping usage are divided into how many categories?

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• 2. वाटर बेस्ड सिस्टम जिनमें पाइपिंग यूज़ होता है को कितनी कैटेगरी में बांटा गया है? 2. Water based systems which have piping usage are divided into how many categories?

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• फिक्स फायर प्रोटेक्शन सिस्टम जिनमें में पाइपिंग यूज़ होता है उन्हें कितनी कैटेगरी में बांटा गया है?

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• What are the 5 types of fire, and what are some examples?

  There are various classification systems out there, depending on where you are. British classes are Class A: Solids Class B: Liquids Class C: Gases Class D: Metals Class E: Electrical equipment Class F: Cooking Fats & Oils In the US system, the fifth ...