CO2, tư duy, thông gió, và cách thực sự sửa một căn phòng tệ. Không nói suông.
There are two types of CO2 sensors in monitors. One directly measures CO2. The other guesses from VOCs. Here is what that actually means, and why it matters.
Đọc →Which CO2 monitor should you actually buy? The one rule that matters, the picks by budget, and the cheap ones to avoid.
Đọc →The afternoon crash in a packed meeting room usually is not the people, the lunch, or the Monday. It is the CO2.
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