Topics. 1  Flagger duties and qualifications. 2  Flagger Safety. 3  Flagging equipment. 4  Flagging procedures. 5  Typical flagger operations.
dew point-the temperature at which the water vapor in the air becomes saturated and condensation begins.temperature-the degree of hotness or coldness of a body or environment (corresponding to its molecular activity).ew point. The temperature at which air becomes saturated with water vapor and dew forms. The dew point varies depending on how much water vapor is in the air.
The dew point is defined as the temperature at which water vapor begins to condense. Condensation is the change of water from its gaseous form (water vapor) into liquid water. Condensation happens when air cools to the dew point temperature, and the water vapor in the air changes to liquid.