| http://www.w3.org/ns/prov#value | - Moreover, resin such as epoxy, concrete or other similar material may be used as the filling material 307c. [0145] The amount of injecting pieces of mortar, pieces of sand or pieces of gravel is adjusted in a similar manner to the first and second embodiments. [0146] FIG. 10 is a view showing a reinforcing member arrangement jig used for the reinforcing method according to the third embodiment. [0
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