Le divayisi isetshenziselwa ukulinganisa iphrofayela eqinile yokupholisa. Ugesi ezihamba phambili emuva, phezulu-phansi kwesokudla-kwesokunxele ukulungiswa okuhle.
Umsebenzisi wokugcina angakhetha ubude obuhlukile (2m/3m/4m) kanye nesakhiwo setafula ngokuya ngemininingwane ehlukene yephrofayili.
Eyethuinzuzo