Qhov ntev yog qhov uas zam qhov tseem ceeb ntawm qhov ceev los ntawm kev siv lub raj taub loj dua tsis yog qhov ua tau zoo, ntau qhov kev sib txuas ntawm lub tog raj kheej muaj qhov nruab nrab ntawm cov ncej txhawb nqa bearings.
Hom kev npaj no tshwj xeeb tshaj yog pom zoo rau cov ntawv thov kev kub ceev uas qhov ntev ntev tshaj 70 ntiv tes thiab riveshaft tshuav nyiaj li cas yog qhov tseem ceeb rau tus tsav lossis tus tswv cuab tsav.
Peb tuaj yeem muab cov khoom lag luam los ntawm kev hloov kho, ib yam li Loj, Cim, Ntim, Xim, Kev Ua Siab ntev thiab lwm yam.
Thov xa koj daim duab, duab lossis lwm yam ntaub ntawv nthuav dav rau peb.
Ua ntej, Kev Nyab Xeeb Guaranteed