Dio Dioxide News Today

Vaccination status, masks can befec be effective. these type of high filtration, n 95 and kn 95 masks you can find. tlai theyre not that uncomfortable to wear. if you wear a mask, wear a good mask. here is something else we do. this is a co 2 monitor, carbon dioxide monitor, a poor mans assessment of ventilation. more people in a room breathing out carbon dioxide, youll get an assessment how good the ventilation is. if its not good open doors, people out of a certain space to try to decrease the...