01 CU wire Wandike itanura rya vacuum annealing
Itanura rya vacuum annealing ryateguwe kandi ryatejwe imbere nisosiyete yacu kugirango idahumeka neza ibyuma bitagira fer (nk'umuringa wumuringa, umuyoboro wumuringa, umukandara wumuringa, nibindi) hamwe nicyuma cya ferrous (nkumugozi wa electrode, umuringa wambaye ibyuma , insinga zicyuma, nibindi).