Qhov no yog peb cov khoom kom zoo dua, tshis qhov muag ntoo screws, peb muag thoob plaws ntiaj teb, nrog cov lus pom zoo. Nws tuaj yeem muab faib ua ob yam khoom sib txawv, carbon steel thiab stainless hlau. Tab sis cov khoom siv carbon steel feem ntau yog, thiab muaj ntau qib, los ntawm kev tsim khoom mus rau kev tsim tawm, txhua chav haujlwm yog ...
Nyeem ntxiv