The size of the symbol varies between containers ... trash cans and cannot be used for biohazardous waste disposal. Small biohazard waste containers cost $8 to $12 and are usually intended ...

In the test, we first offered 6 kinds of candidate for biohazard symbol marks for 300 citizens of 25 cities, and furthermore, we showed the character of craft foods ·Mr. PeanutAnd the fuel ...