Iyo kwibira mu isi yakashe ya rublessale, biroroshye kurengerwa na marriad yamahitamo nibintu ugomba gusuzuma. Abashya benshi babwira ko gusa kubona utanga umusaruro wihendutse, ariko hariho byinshi cyane. Gubeshya nabi birashobora kuganisha ku makosa ahenze, bigatuma bumva amakuru akubiyemo.
Ruskes rubber iza mubikoresho bitandukanye, buri kimwe gifite imiterere itandukanye. Ntushobora guhitamo gusa ibikoresho byose udasuzumye ibisabwa. Nitrile na EPDM (Esylene Propaylene Diene Monomer) bakunze gukoreshwa kubera kwihangana kwabo, ariko bakorera intego zitandukanye. Nitrile ahitamo kurwanya peteroli, mugihe EPDM irushaho kuba indashyikirwa nikirere kandi irwanya ozone. Igihe kimwe, mugihe cyo kugenzura itegeko ryumushinga wo kubaka, yahisemo kwibeshya guhitamo ibintu bidahuye, biganisha ku gutsindwa imburagihe - kugenzura bihenze ko