Keywords: ECB Hazard Symbol C.svg Please note from June 1st 2015 use File GHS-pictogram-acid svg 80px Caution Caustic liquid sign Orange and Black warning sign for the effects of chemicals from a test tube on equipment and human skin _Hazard_C svg _1250731384_m svg Orange_and_Black_warning_sign jpg 2011-09-25 21 17 UTC _Hazard_C svg Unknown _1250731384_m svg Original uploader was Monkeyfishrule at http //en wikipedia org en wikipedia svg version by User Jxjl Orange_and_Black_warning_sign jpg User Monkeyfishrule at http //en wikipedia org en wikipedia derivative work LCARS Free use Overall improved quality Hazard symbol close to ECB symbols LCARS Orange_and_Black_warning_sign jpg subst CURRENTMONTHNAME subst CURRENTDAY Transferred from http //en wikipe</nowiki> Uploaded with derivativeFX Corrosive materials labelling ECB hazard symbols |