Ibisobanuro bigufi:

Impapuro zikoreshwa mu gukingira amashanyarazi zifite imbaraga nziza za mekanike, zirwanya ingufu nyinshi za volteji, ubuso bworoshye kandi bukomera. Gukata impapuro zikingira amashanyarazi biroroshye. Nyuma yo kuziba, bikomeza kugira imbaraga runaka, cyane cyane iyo zijugunywe mu mavuta. Iyi miterere ni myiza cyane mu kurinda insinga ya transformer kudapfunyikwa no kuvunika, ibyo bikaba bidahuye gusa n'ibisabwa mu gukingira amashanyarazi, ahubwo binahura n'ibisabwa mu miterere ya mekanike.