Muneto was engaged in daily work of improvement and repair of prefectural roads which were not paved at that time and carried out his works with two assistants by patrolling every day with a cart loaded with sand and filling sinkholes with sand and flatten mounds by scraping.
宗戸は当時未舗装の県道の改良や補修を日常業務とし、助手2人とリヤカーに土砂を積んで毎日巡回し、くぼみに土砂を埋め、盛り上がっている場所を削って平らにするという作業に携わっていた。