Mjerenje koncentracije CO2 ispod raznih zaštitnih sredstava
3 years ago
56
Trenutno opasno povećanje ugljičnog dioksida ispod raznih maski i vizira mjereno profesionalnim detektorom koncentracije CO2
Snimljeno u srpnju 2020, potvrđeno od stručnjaka za sigurnost na radu www.osha.gov
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