And the tires are now inflated with nitrogen, which is expected to make them last longer.

Just make sure to wear the correct safety stuff when playing with both dry ice and liquid nitrogen.

Lines not being used are filled with nitrogen, an inert gas.

They must be stuffed with nitrogen and God knows what.

This bore is usually filled with nitrogen or left as a vacuum.

Its substantial atmosphere, like Earth's, is thick with nitrogen, though it has no free oxygen.

He had heard about this, there was some kind of problem with the soil, too much salt or too little nitrogen, they weren't sure.

He had wondered from the start why the complex outside the E-cell was filled with nitrogen.

And don't put it near the lawn if you fertilize with nitrogen.

Find someone who has watched a science experiment with liquid nitrogen.