An elongated sheet piling panel has a length and width, and opposed side edges, and has elongated voids positioned within the interior of the panel. The voids are oriented in the direction of the length of the panel, and the edges of the panel are configured to be connected to the edges of additional similar panels.

 
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< Lateral force resistance device

> Timbering and walling control for controlling the movements of timbering and walling units in the coal face of a mine

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