"Shouldn't there have been gas released in the main room?"

The water, and also the gases, were later released from the building into the environment.

The amount of gas released by this process is relatively small.

If it goes out, gas may be released, which is a fire risk and a health hazard.

Now the gases are expanded and released to fire at once.

Studies have shown we all release gas from the back passage more than a hundred times a day.

No gas was released as the robot sank to the floor.

The gas collected in the remaining 250 wells now is released into the air.

If the plant was to flood, toxic gas could be released.

The pressure in the fuel tank then increases, and some gas must be released.