Exposure to sunlight and atmospheric pollution causes the rubber to age.
Akasana n'ebikka ebiri mu mpewo bigwereza labba ya wayipa.
Okubuta aha mushana hamwe n'omwika omubi ogw'omumwanya nibituma omupiira  rwakura.
Akolong naemwana noi keda edou epedori amunar aipuset naka alabira naka emotoka.
Ofuta etu ma diza vu azini oli ezazari vuri ni fe mupiraniri ni dee de
Bedo I ceng kacel ki balle pa yamo weko mupira tii oyot-oyot.