Sib sib zog nqus dot peen marking qhov tob yog qhov tob, feem ntau tuaj yeem ncav cuag 1 hli, tom qab nws pleev xim rau daim ntawv, uas tuaj yeem tshawb xyuas tsab ntawv kom meej meej thiab.
Yuav tsum tau siv nyob rau hauv Tsheb, lub cev ntawm maus taus, tsheb ncej, tsheb chassis, cav, mechanical part, tshuab cuab tam, hlau yeeb nkab, iav, twj tso kua mis lub cev, valve, ntau yam hardness yas khoom, kho vajtse ib feem, Aeronautics, Electronics, tsov rog thiab lub teeb kev lag luam rau npav hlau, hlau, tooj liab, txhuas thiab yas qhov chaw thiab nws pib qhov chaw npav.