Ukubunjwa kwamapayipi akhiwe, okubuye kwaziwe ngokuthi ukubumba okubumbayo noma ama-forging dies, kungamathuluzi abalulekile asetshenziselwa ukwenza amapayipi ensimbi. Idlala indima ebalulekile enqubweni yokubumba insimbi, ikwazi ukushisa, ukubumba, kanye nokupholisa izinto zokusetshenziswa zensimbi ukwenza umumo wepayipi ofunekayo. Okokuqala, ake siqonde isisekelo...
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