Ventilation
1. Ventilation - organized air exchange that contributes to maintaining the required hygienic and technological parameters of air, as well as a set of technical means for implementing air exchange
Source: "Sanitary-hygienic control of ventilation systems in industrial premises. Methodological guidelines" (approved by the Chief State Sanitary Doctor of the USSR 05.09.1987 No. 4425-87)
Ventilation - natural or artificial regulated air exchange in rooms that ensures the creation of an air environment in accordance with sanitary-hygienic requirements
Source: "METHODICAL RECOMMENDATIONS FOR PROTECTION OF RIGHTS OF PARTICIPANTS IN THE RECONSTRUCTION OF RESIDENTIAL BUILDINGS OF VARIOUS OWNERSHIP FORMS"
(approved by the Order of the Ministry of Construction of Russia dated 10.11.1998 No. 8)