Anthu amamvetsera mwachidwi zomangamanga urban, ndipo kugwiritsa ntchito phula kukuchulukirachulukira. Kugwiritsa ntchito kwa phula kusakanikirana mwachilengedwe kumakula bwino mwachangu.

Asphalt yosakaniza station imakumana ndi zolakwa zina kapena zochepa pakugwiritsa ntchito. Zofala kwambiri ndizosagwirizana ndi gudumu lothandizira ndi njinga ya wheel. Nthawi zina pamakhala phokoso lopanda tanthauzo komanso. Chifukwa chachikulu chokhalira ndi malo osakanikirana kwa phula lakhala likugwira ntchito kwa nthawi yayitali, cholembera chowuma chamkati chidzagonjetsedwa kwambiri, kenako mikangano idzachitika pakati pa gudumu lothandizira ndi njinga ya wheel.
Zomwe zili pamwambazi zidzatsagana ndi kugwedezeka kwambiri, chifukwa masitepe osakaniza a phula adzayambitsa kusiyana pakati pa njanji ya wheel ndi gudumu lothandizira kuti lisasinthidwe molakwika pansi pazinthu ziwirizi adasankhidwa. Mukakumana ndi izi, wogwiritsa ntchitoyo ayenera kuwonjezera mafuta kupita ku malo olumikizirana ndi gudumu lothandizira ndi ma wheel pambuyo pa ntchito.
Kuphatikiza apo, ogwira ntchito amafunikiranso kulabadira komanso kusinthasintha kwa nthawi yayitali powonjezera mafuta, kenako nkusinthana pakati pa gudumu lothandizira ndi njinga yagalu, kuti asungunuke bwino, onse Malingaliro olumikizana nawo akhoza kupsinjika, ndipo sipadzakhalanso kugwedezeka.