Bore hole drilling machine (DDW-600) DDW-600 drilling rig is the integral steel-tracked chassis model with powerful mobile capability; advanced negative feedback 1  ... DW/TXS Construction Equipment (Beijing) Co., ...
Levitation. Maglev trains have no contacts with the rails while they move forward. They are levitated on the guide-way with the help of magnetic forces. Levitation is the process by which an object is suspended against gravity in a stable position without any physical contact.
Maglev operating costs will be only 3 cents per passenger mile and 7 cents per ton mile, compared to 15 cents per passenger mile for airplanes, and 30 cents per ton mile for intercity trucks.1) Much lower guideway cost$12 million per mile, compared to $40 million to $60 million per mile. (2) Much faster payback times5 years instead of 50, by carrying piggyback trucks. (3) Electronic switching of vehicles at high speeds from the main guideway to off-line stations for loading and unloading.