Pokhala ndi injini ya dizilo yopangidwa mdziko muno yodalirika kwambiri, imapereka mphamvu zambiri pomwe imagwiritsa ntchito mafuta ochepa. Ndalama zokonzera zimakhala zochepa kwambiri poyerekeza ndi mitundu yochokera kunja, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito nthawi yayitali monga migodi ndi malo omanga, zomwe zimapangitsa kuti nthawi yobwezera ikhale yochepa.
Kapangidwe kake ka chipangizo chonsecho kamatanthauza kuti chagwiritsidwa ntchito mokwanira ku fakitale. Pamalopo, ingowonjezerani mafuta kuti muyambitse; palibe chifukwa chomangira mapaipi kapena maziko, zomwe zimapangitsa kuti chikhale choyenera kukonza mwadzidzidzi komanso kutumizidwa mwachangu kumalo akanthawi kochepa.