A: Sharp waste
B: Non-sharp waste
C: Carcasses, organs or tissues of organisms
D: Bodily fluid waste
Accidents of chemical substances spillage
1. Inform the teacher or laboratory assistance
2. Make the spill area a restricted area
3. Prevent the spillage from spreading using sand
4. Scoop the spilled chemical substances
5. Throw away safety
Accidents of a mercury spill
3. Pour sulphur to cover the spill
4. Inform the fire department
* Mercury is toxic it can attack the nervous system, digestive tract, reproductory system and kidneys.
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