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.
Background. Boiling Point. A liquid will start to boil when the temperature of the liquid reaches a point where the pressure of the vapor from the liquid equals the pressure of the surrounding air. A liquid placed in vacuum will boil at lower temperatures than in normal conditions.