recycling

The system could operate on a closed loop, recycling its water and harnessing the power of the sun.

Thought Kate Middleton was the reigning queen of recycling royals?

And yet his Putin cheerleading increasingly crosses the line into denial or outright recycling of Kremlin propaganda.

Pretty much everyone else is recycling their old plot points, too.

Through this perpetual recycling of history, nothing new can be created.

He told them about Dunnan's heavy purchases of air-and-water recycling equipment and carniculture and hydroponic material.

There was also trouble with the air-and-water recycling system.