Amagwiritsidwa ntchito kwambiri pamakina, mankhwala opepuka, makampani azakudya etc. Monga chimanga nyamayi, chimanga cha chimanga ndi zotsalira za mbatata m'mafakitara wowuma, ndi zina zambiri, kuchititsa kuyendetsa bwino kwambiri, ndikuwongolera kugwiritsidwa ntchito kokwanira.