Assertion: javelin | /r/MadeOf | aluminum
Facets:
value: mainly
type: DEGREE
value: with some use of steel edging
type: OTHER
Source sentences:
text: Javelin makes and models vary in terms of weighting, weight distribution and material composition, but most standard javelins are made of aluminum, steel or carbon.
text: In spite of the aircraft's unorthodox aerodynamic features, the Javelin had a fairly conventional structure and materials, being mainly composed of an aluminium alloy, with some use of steel edging.