-
Serivise yo gutunganya ibyuma - ibice byimashini isobanutse
Icyuma nikimwe mubikoresho bikoreshwa cyane mubice byimashini zubaka.Ifite ibintu bitandukanye, kandi ibyingenzi byingenzi ni ibyuma na karubone.Icyuma gitunganijwe neza.Mubisanzwe tuyita ibyuma bivanga ibyuma.Kugirango tumenye imbaraga na plastike, ibirimo karubone muri rusange ntibirenza 1.7%.Usibye ibyuma nicyuma, ibintu byingenzi byibyuma ni silikoni, karubone manganese, sulfure, fosifore nibindi.
