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octopus

A bin or tank to facilitate the concrete lining of circular shafts. The concrete is mixed on the surface, taken down the shaft in buckets, and discharged into the octopus. The concrete is then led away through flexible rubber pipes to different points around the shaft.

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ผู้สร้าง

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
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