Assertion: bridge's center | /r/CapableOf | allow vertical upwardair flow
Facets:
Source sentences:
text: The road deck is shaped as an airfoil to provide lift in a cross wind, and the center two lanes are open grid to allow vertical (upward) air flow, which fairly precisely cancels the lift, making the roadway stable in design in winds of up to 150 miles per hour (240 km/h).