At the same time, a red gas began to escape from around the perimeter of the bit.

Then he realized that the gas was beginning to affect him.

In 1951, natural gas and electricity began running through the area.

By then, oil and gas had probably begun seeping into the well.

The gas in the throne room was beginning to wear off.

They had to stop when oil and gas began pouring out of the sand.

However when the gas began to flow out of the country so too did its ability to compete against other countries' exports.

In the late 19th century natural gas began being supplied to households.

And then the gas began to liquefy in the intense cold of space.

Natural gas began to be used only in 1930.