Hōʻike huahana:
Hoʻokaʻawale ʻana i ka paipu kila kila: ʻelua ʻāpana kumu ʻelua.E like me ke anawaena o waho o ka paipu kila hiki ke maheleia i poepoe paipu a me ka kūikawā-like paipu, nui hoʻohana 'ia ka poepoe kila paipu, akā, aia no kekahi mau huinahalike, rectangular, semicircular, hexagonal, equilateral triangle, octagonal a me na mea kūikawā. -ʻano paipu kila.
E like me ka hoʻohana ʻana, ua māhele ʻia i loko o ka paipu welded maʻamau, paipu hoʻololi wela, paipu condenser, paipu welded galvanized, paipu hoʻoheheʻe oxygen, uea casing, metric welded paipu, idler paipu, hohonu punawai paipu paipu, kaʻa paipu, transformer paipu, uila. wiliwili paipu paia lahilahi, paipu wiliwili uwila a me paipu wiliwili spiral.