Kumenyekanisha ibicuruzwa byacu byanyuma byanze bikunze bihindura imitwe kandi bigatanga ibitekerezo: ibikoresho byuma bikozwe hamwe nibikoresho byiza bya zinc alloy.Iyi ntoki ntabwo ari nziza gusa kandi nziza, ariko kandi yongeraho gukorakora kumyambarire igezweho mubyumba byose.Nibishushanyo mbonera byayo, iyi mikorere itanga ubwiza bwigihe kandi nibikorwa bitazigera biva muburyo.