PURPOSE:To facilitate execution and to reduce a cost by preparing a plurality of sorts of net reinforcing steel to which setting fittings are fixed every size, and selecting and using net reinforcing steel in conformity with each other upon the execution. CONSTITUTION:A plurality of sorts of net reinforcing steel to which setting fittings 3... are prepared for every size, and the net reinforcing steel in conformity with each other are selected to be used upon execution. Standing net reinforcing steels are set to the setting fittings 3 of base net reinforcing steel, the setting fitting 3... are deformed to fix both of the net reinforcing steel to be assembled. Consequently, effective assembly can be carried out in response to various sorts of execution.
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