Yedu yepurasitiki welding pfuti yakanakira kushandiswa kwakakodzera jekiseni kuumba pamusoro chena kurapwa, epurasitiki hardware kudzorera kurapwa, epurasitiki welding kugadzirisa kurapwa, yakabatanidzwa yedunhu welding, overhaul kurapwa uye dzakasiyana siyana dzekushandisa muindasitiri yemakemikari indasitiri.