Mafuta ophatikizika, omwe amadziwikanso kuti ma ufa woponderezedwa, akhalapo kwa zaka zopitilira zana. Kumayambiriro kwa zaka za m’ma 1900, makampani opanga zodzoladzola anayamba kupanga zodzoladzola zomwe zinali zosavuta kunyamula komanso zosavuta kugwiritsa ntchito. Asanakhale ufa wophatikizika, ufa wotayirira unali njira yokhayo yopangira zodzoladzola ndi kuyamwa mafuta pa ...
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