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OpenLearn Create will be unavailable on Wednesday 3 December from 8am to 11am due to routine maintenance.
OpenLearn Create will be unavailable on Wednesday 3 December from 8am to 11am due to routine maintenance.
OpenLearn Create will be unavailable on Wednesday 3 December from 8am to 11am due to routine maintenance.
Urban Sanitation and Solid Waste Management

Urban Sanitation and Solid Waste Management

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Figure 1.4  The waste hierarchy.

 1.3.2  The waste hierarchy