Intangiriro ngufi:

Iki gicuruzwa ni kole ihoraho ishobora kwangirika, ifite ubushyuhe bwinshi, irwanya ubushyuhe buke, irwanya amavuta, ikoreshwa mu buryo bwagutse, ikora neza mu bikoresho bitandukanye byo gupfunyika, ishobora gukoreshwa mu gupfunyika neza nk'ibirahuri, pulasitiki n'ibindi birango. Niba ku buso bugoye, ugomba guhamagara kole yihariye.

Bikwiriye ku birango by'inganda zikora imiti ya buri munsi, ibikoresho by'ikoranabuhanga, ibikorwa rusange, ibicuruzwa by'ikoranabuhanga…