Assertion: rain gutter | /r/MadeOf | aluminum
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Rain gutters are affixed to your roof and are usually made of aluminum, copper, or plastic.
text: Most residential rain gutters come in two sizes, 5 inch and 6 inch, and are made of either aluminum, galvanized steel or copper in a standard "K" style.
text: Rain gutters and downspouts are made of aluminum, vinyl, galvanized steel, copper or wood.