proto
zone air ch2o concentration sensor point
implements
| air | The mixture of gases which surrounds the earth | 
|---|---|
| ch2o | Formaldehyde (CH₂O) | 
| ch2o-concentration | Concentration of formaldehyde (CH₂O) in the air | 
| concentration | Abundance of substance in the total volume of a mixture | 
| point | Data point such as a sensor or actuator | 
| sensor | Point is a sensor, input, AI/BI | 
| zone | Related to spaces from a system perspective |