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Infrastructures
Infrastructures
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Administrator
xiao lee
Security Surveillance (Biometrics )
Person-recognition Systems=========================Person-recognition systems are a major spin-off from improvements in ...
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5 years ago
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xiao lee
Administrator
xiao lee
Banking Services
Plastic Card Technology=====================Until the 1960s, most financial transactions were based on paper (cash and c...
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5 years ago
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xiao lee
Administrator
xiao lee
Public Utilities Services
Elevators and Escalators ====================Lift (Elevator) :----------------------The first passenger elevator was ins...
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5 years ago
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xiao lee
Administrator
streetsmartfighter
Maglev and Monorails
The development of high-speed trains has kept railroads competitive with other modes of transportation and popular with ...
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5 years ago
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streetsmartfighter
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