DC Inverter Air
B. The opening of the pipe must be block ed and capped while it passes through the wall.
C. The pipe shall not be placed on the ground or rubbed against the ground.
D. T he pipe opening shall be upside down while removing the burr after cutting the pipe.
E. Remember that the pipe opening must be plugged while cond ucting the piping operations in rainy
days.
3. Welding Operations
1) The welding operation shall be carried out in a downward or lateral state and the overhead welding
operation shall be avoided.
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