KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.
List of Dirty Jobs episodes - Wikipedia
Dirty Jobs is a program on the Discovery Channel, produced by Pilgrim Films & Television, in which host Mike Rowe is shown performing difficult, strange, disgusting, or messy occupational duties alongside the typical employees.read more
A review of rock cutting for underground mining: past ...
WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africaread more
Great Pyramid Hydraulic Pulse Generator and Water Pump
Working models of the suberranean section of the Great Pyramid. A hydraulic pulse generator and water pump built with the subterranean chamber.read more