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ECB Hazard Symbol O.svg Please note from June st use File GHSpictogramrondflam svg px Oxidizing Agents Hazard Symbol ECB HazardO svg Ocomburant Oxidising svg UTC HazardO svg Unknown Ocomburant Pixeltoo Oxidising svg Unknown derivative work LCARS Free use Selfmade recreated quality improved explosive hazard sign LCARS Oxidising