Sentence examples for harmful gas from inspiring English sources

Global warming: "There isn't even one study that can be produced that shows that carbon dioxide is a harmful gas".

Before HFCs, the chemical most widely used was HCFC (hydrochlorofluorocarbons) a far more harmful gas which destroys the ozone layer.

As a harmful gas in underground coal mine, CO seriously threatened the safety of miners.

The prediction of harmful gas eruptions in shield construction is realized.

The harmful gas concentration can exceed the safety alarm value and even lead to explosion.

Solar energy is a promising option for reducing both energy consumption and harmful gas emissions.

The production of cement is one of the most power-intensive and harmful gas-emitting processes in the world.

Smouldering fires produce high levels of harmful gases and particulates".

He said his system would also "provide reduced or zero emission of environmentally harmful gases".

A magnetic fridge would be compact, less noisy and won't need harmful gases.

Ozone and other harmful gases can also be expelled from these sources, triggering asthma attacks and even premature death.