
1) Brand name material
Found on
https://www.crosswordclues.com/clue/ballistol

Ballistol (meaning `Ballistic Oil`) is a mineral oil-based chemical which advertises that it has many uses. It was originally intended for cleaning, lubricating, and protecting firearms. The product originated from Germany before World War I, after the German military requested an `all-around` oil and cleaner for their rifles and equipment. Th...
Found on
http://en.wikipedia.org/wiki/Ballistol
No exact match found.