Umshini wokwakha imigqa yesitimela uyimishini yokukhiqiza esetshenziselwa ukukhiqiza imizila noma imizila yezinhlelo zesitimela. Umshini usebenzisa uchungechunge lwama-roller ukugoba nokwenza ikhoyili yensimbi ibe usayizi wethrekhi nesimo esifunekayo ngokunemba okuphezulu nokuvumelana. Le nqubo ihilela ukondla ucezu lwensimbi oluyisicaba ngochungechunge lwama-roller abumba kancane kancane insimbi ibe yiphrofayili efiselekayo. Imigqomo ephumelayo isetshenziswa ezinhlelweni ezahlukene zokuhamba, kufaka phakathi izitimela zasemgwaqweni, izitimela kanye nama-tram.
Ufuna indlela ethembekile nengabizi kakhulu yokukhiqiza izingxenye zesitimela ezisezingeni eliphezulu? Imishini yethu yokwakha imigoqo ejikelezayo inikeza ikhambi eliphelele. Imishini yethu yenzelwe ukukhiqiza izingxenye ezinamandla, ukuqina kanye nokuvumelana ukuze kuhlangatshezwane nezidingo zamaphrojekthi ezokuthutha azo zonke izinhlobo.