Umsebenzi oMnzi weNtsimbi yentsimbi
Ingcaciso yeMveliso
Ukubumba kwaziwa njengenye yezona nkqubo zindala zesinyithi kunye nokuphosa (umahluko phakathi kokubunjwa kunye nokuphosa) kunye noomatshini .Yinkqubo yokuba i-billet yensimbi yenziwe ibe yimo efunwayo phantsi komsebenzi we-tooling ngemisebenzi eyahlukeneyo yokubunjwa, njengokubethelwa, ukucofa, ukugoqa, ukudibanisa, njl njl.
Iintlobo zokubunjwa: ukubumba okushushu, ukubumba okubandayo, ukubumba okuvulekileyo, ukubumba okuvaliweyo, ukubumba umsesane
Bhala umyalezo wakho apha kwaye uwuthumele kuthi