Conrad Scale Models: Conrad is a long established German company. It was formed from the Gescha company which started business in 1956.
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 Africa
Tribco Inc. Braketex and ClutchTex replacement parts. 0--John Deere; Description Reference # Tribco Part # Size (Inches) Teeth Type; Clutch disc fits 2050 Series tractors - 2150, 2255, 2750, 2950; 40 series tractors - 840, 940, 1040, 1140, 1640, 1840, 2040, 2140, 3040, 3140, 3340, 3640, 1040 V, 1140 F, 1140 V, 1640 F, 3640 S, 940 V; and …
EM 1110-2-2901 Tunnels and Shafts in Rock - Ebook download as PDF File (.pdf), Text File (.txt) or read book online.
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.