English 
31
Mar
Mar
The Pathway to Heaven; Passengers Boarding Bridge
A passenger boarding bridge (PBB) is a moveable, enclosed link that connects an airport terminal gate to airplane passengers can board and disembark without having to step outdoors and risk being open to external conditions. It was created by Frank Der Yuen, an American aeronautical engineer, who envisioned a system for loading and unloading passengers […]
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