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 of an air parcel is the temperature to which it must cool before water vapor in the air begins to condense concluding water vapor is a type of water or rain. Also, a net condensation of water vapor occurs on surfaces when the temperature of the surface is at or below the dew point temperature of the atmosphere.