The first one is popularly in order to as hot water extraction or steam cleaning. Whether the environment that you truly to remain clean is commercial or domestic does not matter. http://Hasitec.COM.Vn/index.php?language=vi&nv=news&nvvithemever=t&nv_redirect=aHR0cDovL3R0cC8vdXBzY2Fkdmlzb3IuQ28uaW4lMkZncm91cHMlMkZzZWxlY3RpbmctZ3JlYXRlc3QtY2FycGV0LWNsZWFuZXItcmVudGFsLWZvci15b3VyLWhvdXNlaG9sZC1uZWVkcyUyRi8