Mukuwona mutuwu, mwina anthu ambiri amafunsa kuti, Kodi dongosolo la mafuta m'pachimenti ndi chiyani, momwe mungagwiritsire ntchito moyenera? Choyamba, ndiloleni ndiyambitse dongosolo. Lingaliro la mapulogalamu apakati pa mafuta adayambitsidwa mozungulira pakati pa 30s 30s a zaka za zana la 20.
Mitundu - dongosolo la mzere limatanthawuza kuti pampu ili ndi malo ogulitsira angapo, ndipo machitidwe osiyanasiyana amatha kulumikizidwa pambuyo potuta chilichonse. Malangizo onenepa ndi omwazika, malo aliwonse amafuta amafunikira kuchuluka kwa mafuta, komanso kuchuluka kwake
Dongosolo la mafuta limaphatikizapo kuphatikiza mafuta, mafuta a mafuta omwe amapereka chitoliro chachikulu, chitoliro cha mafuta othirira, mafuta a mafuta operekera mafuta, mafuta a mafuta
Makina opatsirana a Cnc makina amatenga malo ofunikira kwambiri mu chida chonsechi, chomwe sichimangotulutsa mafuta, komanso amakhala ndi zozizira kuti muchepetse kufooka kwa makina pa Machini