[ Metalworking machines; metalworking apparatus, namely, machines for grinding the surfaces of workpieces made of steel ]

Power distribution or control machines and apparatus, namely, electrical power distribution units; telecommunication devices and apparatus, namely, computers for controlling the speeds of railroad vehicles and for controlling road traffic signaling equipment; electronic machines, namely, computers for controlling the speeds of railroad trains and apparatuses in the nature of computers for controlling road traffic signaling equipment; computer programs for use in traffic signals and railway signals, namely, computer operating programs for use in traffic signals and railway signals; computer hardware; railway signaling devices, namely, railway signals; power converters; radio frequency power converters; impedance matching devices, namely, electricity router for measuring, managing and optimizing energy loads for establishing load resistance matching between a power supply unit for supplying power to a load and units on the load side; traffic-light apparatus (signaling devices); railway signaling safety equipment, namely, railway signals; electric switches; railway electric point machines, namely, routing switches for railway use; railway level crossing barriers, namely, crossing bars in the nature of railway signals affixed to automated security gates for use at railroad crossings; electronic platform door opening systems; gap filler devices, namely, automated platform doors and automatic movable steps to bridge over a gap formed between the platform and train in order to prevent passengers from falling; automatic electrical train controllers; passenger information systems primarily comprised of computers and computer software to display train service information for train passengers; passenger information systems primarily comprised of computers and computer software to display bus service information for bus passengers; train traffic management devices, namely, computers; bus traffic management devices, namely, computers

[ Machinery installation; electrical works, namely, electrical contractor service; telecommunication wiring ]