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Waste Management
Science
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Waste Management
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Waste materials
Materials that no longer needed and do not want to keep
Types of waste materials
Plastic, metal, glass & paper
Biodegradable wastes
Waste materials that can be decayed by microorganisms
Example of biodegradable waste
Food wastes
Non-biodegradable waste
Materials that cannot be decayed by microorganisms
Examples of non-biodegradable waste
Glass, plastic & metal
Planned management of waste materials
Through local municipal authorities, waste materials are separated by type
Waste management practices
Put liquid wastes in special containers, put waste materials according to the types of bin provided
5R's projects
Reduce, Reuse, Recycle, Repair and Refuse
Bad impacts of non-biodegradable waste
Pollution, health problems, flood, waste of energy
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