熟語JLPT-N1
iron manufacture
製 せい
せいぞうmanufactureせいひんmanufactured goodsさくせいmanufactureせいさくmanufactureせい-madeせいてつiron manufactureせいほうmanufacturing method
鉄 てつ
てつunderground trainてつironてつどうrailroadてつprivate railwayせいてつiron manufacture