Well according to Wikipedia --- it can be used for both pleasant and unpleasant smells ---and Wikipedia is the Bible truth but if you think you know better than Wikipedia then I'll listen to ya
---- but I don't see no Scrapyard Apedia anywhere --- I'm just saying. By the way
Sludge Pit might just be the odor --I mean odour ---uhhh --I mean frangrance I'm looking for
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Justin