| http://www.w3.org/ns/prov#value | - When the apparatus has been assembled in accordance with the depth and length of the trench portion to be shored thereby, the components will be arranged such as partially shown in FIG. 1 and as fully shown in FIG. 2, it being understood that the unit 12 of the apparatus as shown in FIG. 1 is likewise connected to a corresponding cooperating unit 12' in the same manner as unit 11 was described as
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