Assertion: asbestos's material | /r/MadeOf | gypsum
Facets:
value: principally
type: OTHER
Source sentences:
text: Above we illustrate a fragment of cement asbestos millboard that is about 1/8" thick and his hard - cementious, and at above right we take a look at the edges of two layers of drywall or plasterboard in an older home - showing that that material, principally made of gypsum, is comparatively soft, paper-faced, and easily cut with a knife.