Urban transport vehicles, namely, aboveground and underground railroad locomotives and railroad passenger cars

'aboveground':5 'car':13 'locomot':9 'name':4 'passeng':12 'railroad':8,11 'transport':2 'underground':7 'urban':1 'vehicl':3

Electronic speed controllers, computers, software for automatic monitoring and supervision of rolling stock vehicles; printed circuits, calculators, and electronic cards all for preventing unsafe actions, namely, one train catching up to another on the same line, anti-collision and head on approach of two trains on the same branch line; electric relays

'action':25 'anoth':32 'anti':38 'anti-collis':37 'approach':43 'automat':7 'branch':50 'calcul':17 'card':20 'catch':29 'circuit':16 'collis':39 'comput':4 'control':3 'electr':52 'electron':1,19 'head':41 'line':36,51 'monitor':8 'name':26 'one':27 'prevent':23 'print':15 'relay':53 'roll':12 'softwar':5 'speed':2 'stock':13 'supervis':10 'train':28,46 'two':45 'unsaf':24 'vehicl':14

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