Assertion: roofer | /r/CapableOf | install asphalt shingles
Facets:
value: mostly
type: DEGREE
Source sentences:
text: Although roofers mostly install asphalt shingles, some also lay tile, photo voltaic shingles, metallic shingles, or shakes (rough wooden shingles) on steep-slope roofs.
text: Roofers install new materials, such as asphalt shingles, solar tiles, slate, or metal