Energy companies regularly use drones to survey remote oil pipelines, damaged power lines and wind turbines.
The latest EU duties apply to hot-rolled steel, which is used in construction, shipbuilding and pipelines, and heavy steel plates used in construction and manufacturing of earth movers and other heavy equipment.
Private capital is encouraged to contribute to the construction of roads and underground pipelines.
Cities north of the line have coal-fired central heating, which circulates hot water generated by government heating stations through pipelines and radiators to almost every residential building and public facility.
They say the information could possibly be used in an alert system to give seconds to tens of seconds of advance notice of an impending quake -- enough time for schoolchildren to take cover, power generators to trip off and valves to shut on pipelines.
