dangerous body of water / (figuratively) (of politics or economic) unsuitable status

chlorine detonating gas

living hell; hell on earth

dawn of a new age

(disaster prevention) Short for 木造住宅密集地域 (mokuzō jūtaku misshū chiiki, “densely built wooden house area”).

going

統率領域: command zone

breath / live / give birth / nurture / spread, multiply / rest / come to an end

(Magic: The Gathering) command zone

sewer installed by 都道府県 (todōfuken, “a prefecture”) in order to treat sewage from two or more 市町村 (shichōson, “cities, towns, and villages”)