jet engine

The compounds shed both water and grease and are used in coatings in nonstick cookware, stain-resistant fabrics, and jet engines.

A wall of flames over 300 feet tall by Smith’s estimate crested the ridge, roaring with the sound of a jet engine and blasting the resort with superheated wind and debris.

Extreme temperatures are also found in jet engines, metallurgy and the nuclear industry, he says.

On top of the cost of fuel, air freight firms also have to think about jet engine emissions and a shortage of pilots.

In a building on the edge of a business park outside Sheffield, researcher Ihab Ahmed is preparing to fire up a small jet engine.