Rwanda
oal ishingiye kuri karubone ikorwa binyuze murukurikirane rwibikorwa nka karubone, gukonjesha, gukora, no gukaraba. Ubusanzwe isura yayo ni umukara wa silindrike ikora karubone, amorphous amakara ya karubone ikora karubone, izwi kandi nka karuboni yajanjaguwe. Cylindrical ikora karubone, izwi kandi nka karubone yinkingi, mubusanzwe ikozwe mubikoresho byifu byifu na binders, bivangwa, bigasohoka, hanyuma bigakorwa karubone, bigakora, nibindi bikorwa. Irashobora kandi gusohora hakoreshejwe ifu ikora karubone na binder. Yateje imbere imiterere ya pore, imikorere myiza ya adsorption, imbaraga za mashini nyinshi, byoroshye kubyara, nigiciro gito; Ikoreshwa mugusukura imyuka yubumara, gutunganya imyanda, gutunganya amazi yo mu nganda no murugo, gutunganya ibishishwa, nibindi bintu.