... Corn, Olive, Ricebran, Palm, Linseed, Castor, tung oil and so on. 2) Refining of hydrogenated vanaspati ghee ... Mineral Oils like:- paraffin and waxes- insulating oil- rolling oil- white oil- waste oil (lubricating oil) - vaseline - olefin 4. activated clay ... bentonite clay, activated clay, sodium bentonite, calcium bentonite, drilling mud, pet washer (cat litter) andbentonite metallurgical pellet soil ...