leachate-pools sintex tanks landfill convert methane to co2 bio-remediate convex heaps trenches open waste dumps soil cover raw waste dumping windrows seasonal riverbed bio stablise smoke and fires fresh waste portable tankers bio-culture solid waste drain burning as fuel pk teams doorstep sorting wood frames copra shells compost removal stack maturing waste stablise biodegradable wet waste unmixed collection compost self-aerating dry waste door-to-door collection in pushcarts city centre stacks wet waste paper and saleable plastic auction of stacks no turning stack composting
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