Signs on a black background are bad, good and excellentSigns on a black background are bad, good and excellent
Biologically hazardous products should be carried on the appropriate signsBiologically hazardous products should be carried on the appropriate signs
A sign of a running black man on a yellow background and a warning in english what to do in case of dangerA sign of a running black man on a yellow background and a warning in English what to do in case of danger