Assertion: driveway | /r/MadeOf | asphalt
Facets:
value: for a snow-melting system
type: PURPOSE
Source sentences:
text: For a snow-melting system to be installed, your driveway must be made of asphalt or concrete.
text: While they are very common in rural areas, they may seem quite out-of-place in urban locations where all other driveways are made of poured concrete, pavers, or asphalt.