| http://www.w3.org/ns/prov#value | - See FIG. 13. [0055] As the lower support beam 50 retracts, it causes tension to increase on the two moving trolley retraction cables 170, 171, which in turn causes the moving trolley 140 to travel back into the vehicle along the lower support beam 50. [0056] The present invention also includes a system for raising and lowering the dynamometer or other load.
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