Liwiro lotsika loyendetsa magawo atatu okhazikika maginito synchronous motor pamapampu a plunger mumakampani amafuta.

Izi ndi zida zothandizira kukonzanso makina opopera m'malo ena amafuta, ndipo zaperekedwa kwa ogwiritsa ntchito.Kuyankha pa tsamba ndikwabwino.