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In AT welding process what is the role of asbestos powder & slag ? (i) To separate closing pin from portion* (ii) To hold the portion (iii) Both above are correct (iv) None of the above

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In AT welding process what is the role of asbestos powder & slag ?
(i) To separate closing pin from portion*
(ii) To hold the portion
(iii) Both above are correct
(iv) None of the above
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(i) To separate closing pin from portion*
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