Zosefera Mafuta mosalekeza zimachotsa kuvala tinthu tambiri, fumbi, ndi zopangidwa ndi mafuta opangira mafuta, kusuntha mafayilo ndi magwiridwe antchito. Ndizofunikira kuteteza zida zomangira monga gearbones, machitidwe amafuta, spindles, ndi ma turbines.
