NUM_INDUSTRYTYPES      = 37,                         ///< total number of industries, new and old

	INDUSTRYTILE_NOANIM    = 0xFF,                       ///< flag to mark industry tiles as having no animation

	NEW_INDUSTRYTILEOFFSET = 175,                        ///< original number of tiles

	INVALID_INDUSTRYTYPE   = NUM_INDUSTRYTYPES,          ///< one above amount is considered invalid

	NUM_INDUSTRYTILES      = NEW_INDUSTRYTILEOFFSET,     ///< total number of industry tiles, new and old

	INVALID_INDUSTRYTILE   = NUM_INDUSTRYTILES,          ///< one above amount is considered invalid

};

enum {

	CLEAN_RANDOMSOUNDS,    ///< Free the dynamically allocated sounds table

	CLEAN_TILELSAYOUT,     ///< Free the dynamically allocated tile layout structure

};