{ "kensetsu_concrete": 796, "kenzai_concrete": 6, "JQA_concrete": 14, "kenzai_rebar": 9, "kensetsu_rebar": 343, "kensetsu_mortar": 13, "unknown": 56, "daiichi_concrete": 44, "daiichi_rebar": 4, "unknown_concrete": 1 }