ʻO nā paipu kila welded me ka wela wela a i ʻole ka uhi electrogalvanizing.Hiki i ka Galvanizing ke hoʻonui i ka pale ʻana o ka paipu kila a hoʻolōʻihi i kona ola lawelawe.He ākea loa ka paipu Galvanized, ma ka hoʻohui i ka wai haʻahaʻa haʻahaʻa e like me ka wai, ke kinoea, ka ʻaila laina paipu, i hoʻohana ʻia e like me ka ʻoihana aila, ʻoi aku ka nui o ka ʻaila ʻaila ʻaila punawai paipu, ka aila paipu, nā lako coking kemika o ka mea hoʻomehana aila, ka condensing, ka hoʻololi ʻana o ka lanahu holoi holoi ʻaila ʻaila no ka paipu, a me ka puʻu trestle, mining tunnel support frame tube, etc.