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a.1.Without a guard or defense; unguarded.
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At a time when passengers are being forced to pay the most expensive train fares in Europe, they also face the prospect of unstaffed stations and guardless trains.
Only the blades are altered, from rubber to plastic, still with the guardless bumper-edge safety blade.
Centrally Controlled Interactive Kiosks), and with Riverdale Financial/Telecontrol Systems Inc (installment contracts for Centrally Controlled Guardless Security Monitoring).