Chemical Wagon
This NPC can be found in Uldum (4), Crystalsong Forest (4), Durotar (2), Duskwood (1), Terokkar Forest (1), Silverpine Forest (1), Elwynn Forest (1), Winterspring (1), Darkshore (1), The Hinterlands (1), Dustwallow Marsh (1) and Hillsbrad Foothills (1).