Ø Chuki hmm jante hai ki ch4 explosion ke liye 4 chijo ki aabsaktaa hoti hai jisme se 1 yaa 2 cheajoo ko hatta dene se CH4 explosion nhi hoga-
1. CH4
2. O2
3. Source of ignition
4. Log on ignition
Inme se hmm-
1. Mines ke GBA me gas ka jammaab nhi hone denge, or dusra
2. Kabhi bhi source of ignition produce nhi hone denge.
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