Assertion: clock tower's clock | /r/HasProperty | wound
Facets:
value: periodically
type: TEMPORAL
value: by turning a knob
type: MANNER
value: twice a week
type: TEMPORAL
Source sentences:
text: The clock had to be wound twice a week, the clock weights providing the stored energy.
text: Mechanical clocks must be wound periodically, usually by turning a knob or key or by pulling on the free end of the chain, to store energy in the weight or spring to keep the clock running.