ከዚያ በኋላ "የባትሪ ታች" ተብሎ በሚጠራው ታንኮች ውስጥ በተቀመጠው እና ለምግብነት በማይመች በዚህ ጥቁር ዝቃጭ ሙከራዎች ከወይራ ዘይት ቅሪቶች ጋር ተካሂደዋል ።
Tests were then carried out with residues of olive oil, with this black sludge which is deposited in the tanks, which we call the "Battery funds," and which are unfit for consumption.