Assertion: engine's camshaft | /r/CapableOf | open valve
Facets:
value: for the whole intake period
type: TEMPORAL
Source sentences:
text: A timing chain or belt is used to turn the camshafts which open and close the valves.
text: This, of course, is impossible with a normal camshaft, which opens the valve for the whole intake period, and always to full lift.