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.
Shanghai Maglev is the fastest train in the world with a maximum operating speed of 267.8 mph. This service is operated by Shanghai Maglev Transportation Development Co. Shanghai Maglev runs at Shanghaiâs high speed magnetic levitation line.