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South African rhino survives horrific attack by poachers

...of the world's rhinos. They removed maggots and dead tissue, applied dressing and fastened a fiberglass cast with steel screws. The wound measures 50 by 28 centimeters (19.6 by 11 inches), the biggest of 10 similar cases that the team has...
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Hoverbarge plan worries Taku River users; Archimedes screws, a propulsion device that pushes water through pipes on either side of the vessel; and steel screws for moving across ice. In the summer, a tug would move the hoverbarge. In the winter and shoulder seasons, the Amphitrac...
Tulsequah Chief mine operations plan delayed

...invented for this project, would pull or push a hoverbarge, also called an air cushion barge. The Amphitrac would use steel screws when traveling over ice, soft rubber tires over land, and Archimedes screws to propel itself through water. Redfern...
Mine operator puts Amphitrac proposal on hold

...Redfern is wholly owned by Vancouver, British Columbia-based Redcorp Ventures Ltd. The Amphitrac was designed with steel screws to use on ice, Archimedes' screws to propel itself through water and large soft tires like a tundra-traveling Rolligon...


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