Amagwiritsidwa ntchito m'munda wokhazikika wa mbale zosiyanasiyana zachitsulo, mapaipi ndi mafakitale ena opanga.Pakali pano, chimagwiritsidwa ntchito pa msonkhano wa mankhwala electromechanical ndi kuwala mafakitale monga galimoto, ndege, njanji, refrigeration, chikepe, lophimba, chida, mipando ndi zokongoletsera.
Nthawi yotumiza: Nov-03-2021