Zdravlje i bezbednost u zavarivanju i srodnim postupcima - Oprema za uzimanje i odvajanje dima prilikom zavarivanja - Deo 2: Zahtevi za ispitivanje i označavanje efikasnosti odvajanja
Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 2: Requirements for testing and marking of separation efficiency (ISO 21904-2:2020)