Assertion: caster | /r/MadeOf | only glass
Facets:
Source sentences:
text: As they evolved, casters were made from only glass or leather to reduce damage on wood flooring from the sliding.
text: Casters today are still made with glass and leather — and many other materials from plastic to iron to anything in between, such as aluminum, stainless steel, rubber, or nylon.
text: As they evolved, casters were made from only glass or leather to reduce damage on wood flooring from the sliding.