Mw'isi ya none, abantu benshi kandi benshi bashakisha uburyo burambye kandi bwangiza ibidukikije. Yaba ibikoresho bitangiza ibidukikije cyangwa ibikoresho bizigama ingufu, abantu bakeneye ibicuruzwa bigezweho, bifatika, kandi bitangiza ibidukikije bikomeje kwiyongera. Aho niho itsinda rya Kimton House ryinjirira, ritanga urutonde rwurwego rwohejuru rwimigano ya fibre fibre yurukuta rutongera ubwiza bwumwanya wawe gusa, ahubwo rufasha kugabanya ikirenge cyawe cya karubone.