<http://schema.org/description>
"Composite and 3-D-printed components will mean jet engines that use 15 percent less fuel."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.technologyreview.com/s/514656/a-more-efficient-jet-engine-is-made-from-lighter-parts-some-3-d-printed/>