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Al Habtoor Motors is an automobile distributor in the United Arab Emirates (UAE) and part of the Al Habtoor Group. [1] [2] The company was established in 1983. The company is the dealer for Mitsubishi, Pagani, McLaren and Bentley, Fuso, Chery and JAC Motors. [3] In 2011, the company launched the CarZone Megastore, the largest used car ...
Principle of rope-shovel operation. [1]A power shovel, also known as a motor shovel, stripping shovel, front shovel, mining shovel or rope shovel, [2] is a bucket-equipped machine usually powered by steam, diesel fuel, gasoline or electricity and used for digging and loading earth or fragmented rock and for mineral extraction. [3]
Bagger 288 (Excavator 288), previously known as the MAN TAKRAF RB288 [2] built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. When its construction was completed in 1978, Bagger 288 superseded Big Muskie as the heaviest land vehicle in the world, at 13,500 tons. [3]
A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), although modern large hoists use alternating current drives that ...
Mining drilling rigs are used for two main purposes, exploration drilling which aims to identify the location and quality of a mineral, and production drilling, used in the production-cycle for mining. Drilling rigs used for rock blasting for surface mines vary in size dependent on the size of the hole desired, and is typically classified into ...
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In 2006-2008, Saipem laid down Scarabeo 8 and Scarabeo 9 ultra deepwater 6th generation semi-submersible drilling rigs, completed in 2011–12. In 2011, Saipem completed the two 1,220 km gas sealines of Nord Stream 1 , a system of offshore natural gas pipelines from Russia to Germany and the longest in the world.
In the first twenty years of the 1900s, steam power was largely replaced by internal combustion engines and electric motors. Till the 1970s such equipment mainly used mechanical systems and cables for power transmission after which they started to be replaced by hydraulic drive system for small machines. However, mechanical and cable drives are ...