She sat smoking at Pamela Overton's desk, using the waste-paper bin as an ashtray.

An engineering project for leveling sandhills by contract and using the waste to cover his land.

There is an ingenious arrangement for using the waste water for the purpose of flushing the drains and sewers.

How Shri, a social enterprise in India, is building public toilets and using the waste from them to help pay for their upkeep.