Sunday, April 3, 2011

Ta(i)le Instruction 2

Obtain not only photographs, but descriptions and drawings of relevant material for your accident. Show its ideal dimensions--its plans, its blueprint.

Figure 66 shows a crawler crane with a drag-line attachment. A drag-line consists of a sliding bucket that is dragged along the ground or sea-bottom for dredging.'

The drag-line used to be the standard form of near-shore dredging until the hydraulic excavator (a far smaller machine that is more compact to transport over long distances) made its appearance.

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