Dab tsi yog forged log?
Thaum nrhiav tom qab lub log tsheb, tsuas muaj 2 hom log koj yuav xav txog: nrum lossis forged. Qhov sib txawv ntawm 2 hom log no yog nyob rau hauv cov txheej txheem tsim khoom.
Forged rims yog tsim los ntawm cov khoom txhuas uas muaj cua sov kom tso cai rau cov tshuab ua kom muaj zog los tsim cov rims. Forged rims tau txais nws lub npe los ntawm cov txheej txheem ntawm forging ib daim ntawm txhuas rau hauv cov duab ntawm lub log rims. Cam khwb cia log ntawm qhov tod tes yog tsim los ntawm txhuas uas yog melted rau hauv cov kua daim ntawv, thiab poured rau hauv pwm.
