Ku bijyanye n'imishinga yo kubaka, guhitamo ubwoko bwiza bw'imisumari ni ngombwa kugirango ugere ku bisubizo byiza. Imisumari ya coil ni ubwoko bwihuta bukoreshwa mumishinga yo kubaka. Mubisanzwe bikozwe mubyuma cyangwa aluminiyumu kandi biraboneka mubunini butandukanye. U ...