These are key components in fly-by-wire systems, which use computers and wires instead of mechanics and hydraulics to control a plane's flight.
Instead, the steering and braking are fully electronic, using techniques pioneered in fly-by-wire aircraft cockpits.
His offices are a pair of cluttered rooms in Kowloon that could easily pass for a fly-by-night travel agency, except for the myriad awards scattered like paperweights.