Kerosene, gas, and/or diesel fuels and/or by-products
Ground up bricks
Such ingredients are commonly found in "Soap Bars", an extremely cheap and low potency form of hashish that is commonly found in the UK. The best hashish can be bought in Holland or Amsterdam.
2. A common term used to describe school lunch meat that is of unknown origin. It is usually drenched in gravy to disguise whatever it is really made from.
2. This mystery meat is so chewy, I think it's made from rubber.