On a cold winter night, a kerosene heater is indispensable.

Noble gases are known for not participating in chemical reactions.

In this area, there is a shortage of noble gas supply.

Our house is heated with natural gas.

Mustard gas is a type of chemical weapon and is very dangerous.

Methane gas is one of the causes of global warming.

I renovated the kitchen to install a new gas stove.

We will use rare gases in this experiment.

The gas pump is broken, so I can't put gas in the car.

The gas pipe is broken and gas is leaking.