RT @DrEricDing: WOW—Belgium announces that CO2 meters (of air ventilation) will be required in hotels, restaurants, bars, banquet halls & f… 0 atbildes
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Jānis Patmalnieks (2021-06-06 23:22:53) |
RT @DrEricDing: WOW—Belgium announces that CO2 meters (of air ventilation) will be required in hotels, restaurants, bars, banquet halls & f… | |