Cov qauv kev lag luam ntsig txog cov fasteners

1. Txheem Rau Cov Khoom Siv Qhov Loj Me: Qhia kom meej qhov pib qhov ntev ntawm cov khoom; Cov khoom lag luam tseem muaj qhov ntev ntawm cov xov, xov xaus, chanfor, thiab qhov ntev ntawm sab nrauv xov {}}

{{0 {0} Cov Qauv Kawm Ntawv Tshwj Xeeb Ntawm Cov Khoom Siv Hluav Taws Xob Thiab Cov Kev Kho Mob Hauv Ib Leeg, thiab Kev Ntsuam Xyuas Kev Ua Si, Thiab Khoom Kuaj.

3. Cov qauv rau kev lees txais cov qauv khoom lag luam, thiab cov cim ntawm cov khoom lag luam sau ntawv thiab ntim cov khoom lag luam uas yuav tsum.

4. Txheem cov qauv, cov yeeb yaj kiab, cov yeeb yaj kiab tshwj xeeb ntawm cov khoom lag luam tiav thiab cov qauv yooj yim rau cov khoom lag luam.

5. Cov qauv rau lwm cov qauv ntawm lub fasteners, xws li cov qauv siv ceev, thiab lwm yam}