The ice-making tray (20) has a maximum water volume mode, and a minimum water volume mode that provides a minimum volume of water that is ½ or less of the maximum volume of water.

The water system includes a water tank (100) with a volume of water and a volume of air.

The water consumption transaction unit then determines the volume of water consumed by the consumer based on the volume of water received and the volume of water returned to the utility service provider.

The device (10) has a water reservoir (16) that holds a small volume of water.

Preferably having buoyancy means (6) associated therewith.

The rice cooker is provided with a residual water volume-determining means for determining the residual water volume, which is the volume of water remaining inside the pot-shaped vessel.

Water amount in weighed soil (calculated

Water volume in weighed soil (calculated

The appliance heats a volume of water close to the volume required for preparing a drink, i.e. the volume of a mug (3) of the drink.

During operation the volume adjustment assembly can be controlled to increase the volume of water which is permitted to flow from the water source to the spray head and may be controlled to decrease the volume of water.

economic value of unit of irrigation water

The pouch is added to a body of water.

The water-saving device makes is possible to portion a certain amount of water while flushing.

The gap is capable of holding a volume of water.

In order to determine a caloric content of the volume of water (12), an acoustic transmitter (32) and an acoustic receiver (34) are disposed in the volume of water (12) to determine an acoustic signal within the volume of water (12).