LASER BEAM MACHINING PROCESS IN HINDI

Explain LASER BEAM MACHINING PROCESS IN HINDI
USE OF LASER BEAM MACHINING PROCESS
CONSTRUCTION OF LASER BEAM MACHINING PROCESS IN HINDI
WORKING OF LASER BEAM MACHINING PROCESS IN HINDI WITH ANIMATION
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sir argon or nitrogen Kyun upayog krte h lbw Machine m

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Argon is used to protect the molten pool of metal against elements in the Atmosphere including Oxygen, Nitrogen, and Hydrogen