After a chopper drops off guests in an idyllic wildflower-covered valley, mountaineers strap on helmets and harnesses, clip their via ferrata lanyards to the metal cable bolted to the base of Mount Nimbus, and begin to climb.

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Besides clean-up of materials, the company plans to remove unused utilities in the shaft, repair any damaged structures, install a water ring to control entry of water into the shaft and prevent ice from forming in winter, install a new power cable and a metal brattice between the eastern and western half of the shafts to provide a physical barrier, improving safety and functionality, company officials said.

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The Ethernet port has a little metal flap that drops down when the cable is plugged in.

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During Wednesday, the pace of the rescues increased from one per hour to three, progress that was measured by the spinning of the metal wheel that let out and then shortened the cable attached to the capsule -- a makeshift elevator with only two stops.

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There are two exposed metal connectors, used to pair up with the proprietary magnetic USB charging cable (the only accessory that ships in the box), but the housing appears to be properly sealed.

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The woman, 75, had been digging for the metal not far from the capital Tbilisi when her spade damaged the fibre-optic cable on 28 March.

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