Please tell me that story once again.

He was wearing a hat made of felt.

He was as quiet as the dead.

He is suffering from the symptoms of black hairy tongue.

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.