4g Position Welding Portable 【720p】

Old Lin walked in the next morning, saw the sample, and said nothing. He just picked up his stamp—a heavy, brass thing—and slammed it onto Marco's test coupon.

The slag dripped. He ignored it.

He had tamed it.

Marco didn't understand. He spent the night before his fourth attempt in the shop alone. He set up the 6-inch schedule 80 pipe in the overhead position. He adjusted his hood to a #10 shade. He cranked the Miller machine to 92 amps—hotter than he was comfortable with. 4g position welding

Penetration was perfect. The fusion line was a clean, deep root. No cold lap. No porosity. Old Lin walked in the next morning, saw

That means the metal plate is suspended above your head. The weld pool—liquid steel hot enough to melt a coin—wants to fall down . Onto your face. Into your hood. Down your sleeve. He ignored it