Biologically hazardous products should be carried on the appropriate signsBiologically hazardous products should be carried on the appropriate signs
The emblem of biological contamination on the doorThe emblem of biological contamination on the door
A sign of a biological epidemic on a yellow backgroundA sign of a biological epidemic on a yellow background
The sign depicted on a black background, the sign of the prostateThe sign depicted on a black background, the sign of the prostate