KINGSTON – Tiny pellets about the size of BBs will collect at the bottom of an oil-fired dryer at the rate of probably a ton a day when the city begins converting sewage sludge to fertilizer next year ...
Durban — Recycling is increasingly popular in today's ecologically aware world, but in the field of sanitation the "yuk factor" tends to get in the way. Most people recoil from the notion of re-using ...
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