What is the recommended ventilation system for the workplace according to NR9?
a) A system of exhaust is more appropriate than a ventilation syste...
What is the recommended ventilation system for the workplace according to NR9?
a) A system of exhaust is more appropriate than a ventilation system. b) A ventilation system is more appropriate than a system of exhaust. c) Both systems are equally appropriate.
De acordo com a NR9 (Norma Regulamentadora 9), o sistema de ventilação recomendado para o local de trabalho é o sistema de exaustão. Portanto, a alternativa correta é a letra a) "A system of exhaust is more appropriate than a ventilation system."
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