manual rock equipment

  • Rock Climbing & Abseiling Equipment | 10 Pieces ...

    Belay devices fall broadly into two categories, manual devices and assisted breaking devices. A manual device relies entirely upon the control of the abseiler, while an assisted breaking device has mechanical features that help you to control your speed when abseiling – or if you're climbing, your speed when you fall off the climbing wall.

  • Rock Crushers - Gold Prospecting Mining Equipment ...

    The average miner can instead purchase a CrazyCrusher manual rock crusher or an electric or gas powered rock crusher and get the gold out in smaller batches. Crushing rock to recover gold can be easier, faster, and much more profitable than prospecting in over-worked streams and rivers.

  • Rock Crushing Equipment - 911Metallurgist