Ammonium nitrate, commonly used as a fertilizer, is highly explosive. I suppose that Finnish authorities might frown on one showering auto parts everywhere, no

Ammonium nitrate, commonly used as a fertilizer, is highly explosive. I suppose that Finnish authorities might frown on one showering auto parts everywhere, no matter what explosive is used. [Edit: I had not read the article when I made this comment, and so did not understand that the owner was actually in Finland.]