HISTERICAL PLUMBING

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    • #279096
      Avatar photoBernard Voith

        can anybody explain the use of a Boning Rod.
        Argus tuft

      • #300041
        Avatar photoracefanone
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          Boning rods are used to estabilish grades,string lines are used with them.The rods are set up as required and the lines are strung between them as required.

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