Bellows on the side would be used to add oxygen.

Instead, he said, "it's being battered because someone added extra oxygen."

"Just about any process that requires heat runs cleaner when you add oxygen to it," he said.

Adding oxygen to combustion makes the process more complete but does not necessarily lower the temperature.

The oxidizer helps to add oxygen, which the fuel needs to burn.

Green power The right plant can add oxygen and humidity to dry office air.

By adding oxygen (more than is in the air) to a fire it will burn hotter.

The last step adds oxygen to hydrogen to make water.

Adjustment is made by adding more or less oxygen to the acetylene flame.

The release of compressed air in the water adds oxygen to the local environment.