Ngenxa yokubukeka kwayo nokuzwakala kobuhle, insimbi engagqwali isetshenziswa ezinhlobonhlobo zezinto zobucwebe, kusukela kumacici, umgexo kuya kumasongo namasongo. Ivamise ukuba ne-sheen esiliva, kodwa ngokungafani nesiliva, ayigqwali futhi ayingenwa kalula ukuklwebheka, ama-dents noma imifantu. Ubucwebe bensimbi engagqwali, nakuba bungaziwa kabanzi kwabaningi, benza indawo yabo emakethe yobucwebe.
Ungakhetha umklami nezinto zemfashini ezitolo ezithengisa ubucwebe bensimbi engagqwali. Kungakhathalekile ukuthi yiziphi izingubo zansuku zonke noma umcimbi osemthethweni, ubucwebe bensimbi engagqwali bungaveza ubuhle babo obukhulu. Insimbi engagqwali yenziwe nge-chromium, nickel ne-titanium. Ingxubevange eyinqaba engabizi kodwa ehlala isikhathi eside, esetshenziswa kakhulu futhi nokho ibukeka iyinhle. Ngokungafani namanye ama-alloys abukeka engenalutho noma eshibhile, insimbi engagqwali ayibukeki ishibhile naphezu kokuthengeka. Amaringi ensimbi engagqwali athola ukuduma emhlabeni wonke.