Aug 13, 2021 · Explosions of steam car wash machines occur quite often. In January 2008, a steam car wash machine exploded in a garage in Cheongju, Chungcheongbuk-do and the owner, Bak, suffered burns on his face. In February 2011, the boiler tank of a steam car wash machine exploded in a car wash in Gagok-dong, Miryang-si, seriously injuring two people.Learn More