土ど木ぼく作さ業ぎょうどぼくさぎょうじ字FuriganaMeanings1nounconstruction work; civil engineering workRefers to heavy construction and earthwork, such as road building, excavation, and infrastructure projects.彼かれは土ど木ぼく作さ業ぎょうの現げん場ばで働はたらいている。