Hiki ke hoʻokaʻawaleʻia nā mea i hoʻopiliʻia i nā mea hao i loko o ka crael carbon, alloy kila a me ke kila.
ʻO ka nānāʻana i ka pipe fitty pipe i loaʻa i ka helu helu helu helu 3000, 6000, a me 9000.
Aia nāʻano likeʻole o nā fitok-wecking fitters, e like me elbow, ceed, coupling, feckolet