Kugwedera asphalt nsalu makina chimagwiritsidwa ntchito mu masamba opanda madzi, tiyi, zouma zipatso, zonunkhira, mankhwala, chakudya ndi mafakitale ena, kugwedera pogwiritsa ntchito kugwedera galimoto chisangalalo monga kugwedera gwero, kuti nkhaniyo aponyedwe pa nsalu yotchinga mbale, nthawi yomweyo. monga kuyenda mowongoka, zida kuchokera ku feeder wogawana kulowa doko la chakudya cha makina owonera, Kupyolera pazithunzi zosanjikiza zambiri kuti apange mawonekedwe angapo a chinsalu, pansi pa chinsalu, motsatana ndi kutulutsa kwawo komwe kumatuluka.Ndi kugwiritsa ntchito mphamvu zochepa, kutulutsa kwakukulu, kapangidwe kosavuta, kukonza kosavuta, kusasefukira kwafumbi, kutulutsa basi, koyenera kwambiri pakuchita ntchito pamzere.