A spring balancer ndi mtundu wa chipangizo chonyamulira chomwe chimagwiritsidwa ntchito kuthandizira ndi kuchepetsa kulemera kwa zida ndi zipangizo.Nthawi zambiri amagwiritsidwa ntchito m'mafakitale pomwe ogwira ntchito amagwiritsa ntchito zida zogwirira pamanja, monga zobowola, zopukutira, ma sanders, ndi screwdrivers, kwa nthawi yayitali.The sprin...
Werengani zambiri