Makina ogwiritsira ntchito ma pinhole othamanga kwambiri amagwiritsidwa ntchito kwambiri pokonza chitsulo chosapanga dzimbiri, chitsulo cholimba, aloyi wolimba, mkuwa, aluminiyamu ndi mitundu yosiyanasiyana ya zinthu zoyendetsera. Amatha kulowa mwachindunji kapena kuboola kuchokera ku cant, camber ndi pyramidal face. Makinawa amagwiritsidwa ntchito pokonza ma pinhole akuya osasamalidwa monga kudula waya pa zinthu zoyendetsera zolimba kwambiri, kutsegula nozzle ya pampu yamafuta, spinneret orifice ya die yozungulira, njira yamafuta ya hydropneumatic components ndi dzenje loziziritsira injini.