Gufungura ubugari bwa compactor yumva nibikoresho byingenzi bikoreshwa mubikorwa byo gukora imyenda, cyane cyane imyenda yubwoya. Iyi yumva yihariye yagenewe gufasha muburyo bwo guhuza, aho igira uruhare runini mu kwemeza ko imyenda igera ku bucucike bwifuzwa no kurangiza. Mugihe imyenda ikorwa mubyiciro bitandukanye byumusaruro, ubwiza bwumva ukoreshwa bushobora kugira ingaruka zikomeye kumukino wanyuma