Saturday, February 21, 2015

Bridge Collapse


2 comments:

  1. Although the picture is very blurred, it seems to me that it's not the bridge, but the erection gantry that had collapsed.

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  2. The internal combustion wasn't invented until the late nineteenth century and the driving force for machinery in factories, mines and on farms was the steam engine. ... The traction engines could also drive large circular saws, the power being transferred via a large flat belt from the flywheel on the engine. Rubber Conveyor Jointing Pakistan

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