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- half nut ka use kha kiya jata hai
- micrometer least count
- kratim swas dene ke liye sarvo pratham........ ko saph karna chahiye
- solder and rivet kon sa fastener hai ?
- Nat bolt kese bandek H
- CGS PRANALI ME LAMBAI KO KISME MAPA JATA HAI
- लेथ चक किसके बने होते है
लेथ चक किसके बने होते है
- sarface finice me laping ke liye allounce kya rakha jata h
- piston ring metal
- blade kitne prakar ki hoti hai
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