| http://www.w3.org/ns/prov#value | - (b) The overhead clearance above top of rail of such tracks located inside of buildings may be reduced to 18 feet, provided that this clearance shall apply only to tracks terminating within the building, and further provided, that when an overhead clearance of less than 22 feet exists on tracks inside such building, all cars, trains, motors, engines or other equipment shall be brought to a stop be
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