Assertion: track | /r/HasProperty | clear
Facets:
value: by placing popsicle sticks
type: MANNER
Source sentences:
text: This can be done by eye if the tracks are clear or by placing popsicle sticks at the heel of the tracks and connecting a string to the sticks.
text: Loading gauge designates the space required either side and above the track that needs to be clear, so that either the locomotive and its carriages can pass without hitting anything.