Assertion: duct | /r/HasProperty | shallow
Facets:
value: spaced because of the cost
type: CAUSE
value: in order to avoid excessive fill
type: PURPOSE
value: necessarily
type: DEGREE
Source sentences:
text: Such ducts are necessarily shallow in order to avoid excessive fill and because of the cost they are spaced considerable distances apart, for example, four to six feet.
text: Such ducts are necessarily shallow in order to avoid excessive fill and because of the cost they are spaced considerable distances apart, for example, four to six feet.