Assertion: buried cable | /r/CapableOf | use pure copper
Facets:
value: unlike an aerial cable
type: OTHER
value: invariably
type: MANNER
value: commercially
type: MANNER
Source sentences:
text: Unlike an aerial cable, a buried cable invariably uses commercially pure copper or aluminum (mechanical strength is not a problem underground), and the stranded conductor is frequently rolled to maximize its compactness and electrical conductance.