If it is hot summer, the plant may require extra water.

Energy issues - 96% of power in China requires water to generate.

The product requires only cold water and thus saves energy.

Such a lily farm would require still water and fresh air.

The main advantage of the new method is that it requires only water.

Deltas often require deep water over a long period of time to form.

The water required for poojas and other needs are taken from the spring.

But I can't think of a way to power an engine aboard ship which doesn't require fire and water.

Each Arkoddian requires more water per day than a human.

Goats require fresh water at all times or they won't drink it.