Icyifuzo cyibice byimodoka kigenda cyiyongera umunsi kumunsi, Ibice bikozwe mubice byimodoka aluminium, nka moteri, ihuriro ryimodoka, birashobora kugabanuka muburemere. Byongeye kandi, imirasire ya aluminiyumu iroroshye 20-40% ugereranije nibindi bikoresho, naho umubiri wa aluminiyumu urenze 40% ugereranije n’ibyuma, ikoreshwa rya lisansi rirashobora kugabanuka mugihe cyibikorwa nyirizina o.