> A few years in, I showed up at work 3 hours early on rag day to deal >=20 > with the gov't paperwork needed to avoid gaol... >=20 > To discover a smoldering rag fire in the pile near the interior front of >=20 > my premises, a 100-year-old wooden warehouse, originally... Well, linseed oil, as used in oil based paints is well known for spontaneou= s combustion where cleaning rags have been left in a heap. There is apparen= tly some chemical reaction between the cloth and the oil that produces an e= xothermic reaction, and if the rags are left bundled the heat is enough to = ignite them. I guess it is a possibility that other oils will do the same t= hing. >=20 > Mene Tekel Upharsin... >=20 Well, %deity% saw that you weren't found wanting this time. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .