Pamwamba pa wodzigudubuza zimakhudza wapangidwa otentha vulcanized kuponyedwa mphira pamwamba, amene ali ndi makhalidwe a kuvala kukana, kukana zimakhudza, odana ndi ukalamba, palibe phokoso, odana malo amodzi, elasticity mkulu, kudzikonda kondomu, palibe kung'amba conveyor lamba, kuchepetsa kukana komanso kugwiritsa ntchito mphamvu zochepa pamayendedwe akutali. Imayikidwa pansi pa gawo lolandirira conveyor kuti muchepetse mphamvu ya lamba wotumizira ndikukulitsa moyo wautumiki wa lamba wotumizira.