Intsinga z’amashanyarazi zishobora gushirwa mu migwi hakurikijwe intumbero, imiterere n’ibikoresho. Kubera intumbero, intsinga z’amashanyarazi zishobora guca mu mirongo y’ugutanga n’insinga z’ugukwiragiza; ku miterere, zishobora guca mu mirongo y'umurongo umwe-n'imirongo y'umurongo mwinshi-; kandi kubera ibikoresho, birashobora guca mu mirongo y’umuringa n’imirongo y’aluminiyumu.
