The 260-pound fuel cells combine oxygen and hydrogen to produce electricity for the shuttle's systems.

Cars powered by fuel cells combine hydrogen and oxygen from the air in a chemical reaction.

He cannot control the temperature of water or combine hydrogen and oxygen to create water.

Water would either be supplied from off the moon, or by combining oxygen with hydrogen produced from lunar soil.

The battery produces electricity by combining oxygen from the air with a zinc paste and catalyst.

The devices combine hydrogen and oxygen to make electricity, with water as a byproduct.

It is also possible to combine the hydrogen and oxygen through redox mechanism as in the case of a fuel cell.

Organic compounds combining carbon and oxygen are many in number.

Fuel cells make electricity by combining oxygen and hydrogen.

Borrowing from the welding trade, burners combining oxygen with natural gas were required.