Kumanga pulojekiti imodzi yayikulu yaumisiri wamadzi mumzinda wina wa Pakistani kudafuna kuti magwiridwe antchito azigwira bwino ntchito komanso zofunikira zamagetsi pamagalasi amagalimoto chifukwa cha kuchuluka kwa nthaka.Makina athu a SG21-3 motor grader anali makamaka omwe anali ndi udindo pakukonza ndi kusanja mafanizo apansi pa dzenje.Ndi mphamvu zotsogola komanso magwiridwe antchito, SG21-3 idapambana kukhulupiriridwa ndi kutamandidwa kwamakasitomala pantchitoyi.
