Assertion: slate's composition | /r/MadeOf | asbestos fiber
Facets:
Source sentences:
text: It pertains particularly to anovel process of producing slabs and shingles for roofing purposes of a composition consisting essentially of asbestos fiber, hydraulic binding cement and anhydrous silica or as it is scientifically called silicon dioxid or silicium dioxid, and some water.
text: It pertains particularly to anovel process of producing slabs and shingles for roofing purposes of a composition consisting essentially of asbestos fiber, hydraulic binding cement and anhydrous silica or as it is scientifically called silicon dioxid or silicium dioxid, and some water.