Matou te umiaina masini gaosiga muamua-vasega ma metotia suʻesuʻega faʻapitoa ma faʻaaogaina metotia gaosiga, ia faʻamautinoa atoatoa le faʻamaoni ma le lelei o le lelei o oloa. O oloa autu o track roller, idler, carrier roller, sprocket, track chain assy ma ituaiga eseese o vaega faaleoleo mo le crawler type inisinia masini, pei o faataitaiga eseese o excavator, bulldozer ma vili masini. O oloa o loʻo faʻatau lelei i Korea, Iapani faʻapea foʻi ma atunuʻu ma eria i Saute-sasaʻe Asia, Europa ma Amerika.
Vaega o gaosiga e aofia ai tekinolosi dept, fa'aa'oa'oga fa'ameamea, • fa'aa'oa'oga tu'u, nofoaga autu fa'atonutonu fa'akomepiuta, faleaoga vevela ma fa'aputuina faleaoga.
Taimi meli: Feb-06-2023
