image is three guy. two man is difficulty breathing from toxic, because one man is combine chemical. chemical is green color. smoke from chemical is yellow to green. room is one orange chemical tank, one vent, one red warning lights and one speaker. chemical tank is cylinder. vent is square. red warning light is cylinder and square. speaker is square. on the floor has green water, it is chemical toxic
a guideline of me is wear chemical suit, wear gas mask and warning sign wear gas mask