Encyclopedia
Bathhouse
Sauna: organization (service provider) offering services for cleansing and health improvement of visitors through the use of water, hot air, steam or warm surfaces in specially designed and equipped steam rooms or heated areas intended for general or individual use
Source: "HOUSEHOLD SERVICES. SAUNA AND SHOWERS SERVICES. GENERAL TECHNICAL CONDITIONS. GOST R 52493-2005"
(approved by Order of Rosstandart dated December 30, 2005 No. 530-st)