Assertion: commercial hovercraft | /r/CapableOf | experience sharp decline
Facets:
value: due to large fuel and maintenance costs
type: CAUSE
value: from their heyday
type: TEMPORAL
value: according to popular mechanics
type: OTHER
value: in the 1970s
type: TEMPORAL
Source sentences:
text: According to Popular Mechanics, commercial hovercraft have experienced a sharp decline from their heyday in the 1970s due to large fuel and maintenance costs combined with a lack of creature comforts.