They detonate mines from 100-1, 000 metres away with the flash of a camera (sends a pulse down an electrical line).
BBC: NEWS | Programmes | This World | Wires from the front line: Nepal
When Nissan launches its new line of electrical vehicles in America in 2010, it will initially target fleet buyers, which can provide their own charging stations.
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In 2009, the El Dorado Task Force, a joint federal and state law enforcement effort focused on money laundering and other financial crimes, built an air-tight case against nearly a dozen Con Edison employees for taking kickbacks from contractors that performed gas line and electrical work for Con Edison on construction projects in New York City and Westchester County.
It comprises a few rows of identical houses, built to house the workers of a hydro-electrical dam and a brief line of shops.
One answer is to plug clusters of equipment (for instance, computers, monitors, printers, modems and routers) into a proper surge protector that not only guards against nasty electrical spikes coming down the line, but also shuts down all the equipment completely when you switch off.
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Each group along the line--plumbing, electrical, cabinetmaking, final finishing--makes a percentage of that pool.
Electrical frequencies and voltages drop as power line currents increase, necessitating automatic or manual interruption of loads (blackouts) to protect grids.
Substations and transformer boxes eventually reduce the power to the 110 volts that toast your muffin in the morning, but the electrical noise on a high-voltage line can destroy data signals immediately.
The utility had more than 1, 600 line workers on the ground to repair electrical equipment and about 1, 200 forestry crews to remove fallen trees and branches.
Mr. WHITAKER: You could do a query to identify all parcels with a particular zoning designation within so many feet of three-phase electrical power and so many feet of a water line, and the three properties left to put your business or your school would light up.
The Phone Port adapter plugs into a common electrical wall socket and then connects to any device on your phone line: a plain old phone, a fax machine or even a Caller ID box.
Line workers are often exposed to inclement weather, heights, electrical discharges and other hazards.
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