Flame-throwing drone helps remove net on UHV power line

XIANGYANG, CHINA — China power companies are using drones that emit flames to burn down the trash stuck on power lines. When faced with certain objects twining round an ultra high voltage (UHV) power line, workers no longer need to climb a high ladder to remove it any longer, drones can now be used to do the dangerous deed. Maintenance workers in Xianniang City in [...]