Cov khoom ntawm peb lub tuam txhab chaw muaj nyob rau hauv cov khoom nto kho thiab loj thiab cov ntaub ntawv nrog ib tug ntshiab, ua rau cov neeg muas zaub zoo dua thaum xaiv, txheem qhov chaw manufacturers los ntawm lub machining chaw yog nkag mus rau hauv tus txheej txheem qhov chaw ntau lawm, koom tes nrog precision ntawm txiav. cov khoom siv los ua cov txheej txheem fasteners no, kev nce qib sai, tsis muaj teeb meem yog qhov kev cai lossis tus qauv yuav khoom tuaj yeem lav nws qhov zoo heev.