地じ雷らい除じょ去きょ作さ業ぎょうMeaningsNoun1. mine-clearing operationKanji used地ground雷thunder除exclude去past作make業businessComposed of地じ雷らいland mineNoun除じょ去きょremoval; getting rid ofNoun作さ業ぎょうwork; operation; taskNoun