She gases the balloons with helium for the festival.

Scientists collected samples to analyze the atmospheric gases over the glacier.

Noble gases are commonly used in lighting and welding because of their low reactivity.

In many laboratory experiments, inert gases are used to prevent unwanted chemical reactions.

Synthesis gases collected from the reactor were analyzed for their hydrogen content.

Researchers tested various lifting gases to determine which offered the best stability for high-altitude balloons.

Researchers found that the choice of base gases significantly affected the plasma etching process.

Divers must carefully test their breathing gases before every deep dive.

The laboratory keeps several bottled gases in a secure cabinet to prevent leaks.

Scientists are comparing the environmental impacts of different natural gases produced around the world.