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গ্যাস কাঁটার সম্পর্কে জানুন /গ্যাস কাঁটার অগ্রভাগ /How to oxygen gas forks

RJ Hasan Ali 20,501 lượt xem 2 years ago
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Gas cutting torch || cutting nozzle new . How to oxygen gas forks
update cutting nozzle.
gas cutting process hi
This video is on gas cutting nozzle. It's size and cutting thickness of metal plate,slab at required oxygen pressure.

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