ID 302165888 © Antikwar | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
sedative metal oxidant science flammable fearless organic nitrogen oxidation sticker health medicine n2o chargers combustible doctor environment industrial oxide radiation machine hazard warning oxygen heat industry gas caution risk oxidizing medical harmful safety toxic chemical background security reaction poison label material flame symbol agent sign oxidizer fire protection substance