Saururus Batteries Candle wau Lighte Flare ecotin leann Industrial Insecticide Barbecue Lighter solver forler cleaner Cense Acnd Methan PAIN Sewer gas Cartun PIsanI Mctr Rocket Fuel 69 Carcinogens, 11 have been prove to the First Grade Carcinogens by IARC69 Carcinogens，11 have been prove to the First Grade Carcinogens by IARC