1. Kugwiritsa ntchito mtedza wa rivet Womwe amadziwikanso kuti mtedza wa akhungu, kukoka zisoti, amagwiritsidwa ntchito m'minda yomangirira yamitundu yosiyanasiyana yazitsulo, mapaipi ndi mafakitale ena opanga.Amagwiritsidwa ntchito kwambiri pamagalimoto, ndege, njanji, refrigeration, elevators, masiwichi, zida, mipando, zokongoletsera ...
Werengani zambiri