1. reduction of heating or cooling during hours when a building is unoccupied, or during periods when lesser demand is acceptable.

2. intentional depression of the control point by means other than adjustment of the scale setting.

radiation angle factor.

1. displacement of an ordered set of characters one or more places to the left or right. If the characters are the digits of a numerical expression, a shift may be equivalent to multiplying by a power of the base.

2. to move the characters of a unit of information column‑wise right or left. Related to arithmetic shift and to cyclic shift.

place, building, or room where manufacturing or repairing is done. Compare field.

used in standards and regulations to indicate a provision that is not mandatory, but that is recommended as good practice.

process of dismantling hollow members (bushings, sleeves, etc.) with the inner component cooled so that it can be extracted from its housing.

Le Système International d’Unités; the international agreement on the metric system of units.

building in which the indoor air quality is unacceptable to a substantial majority of people exposed. Note: Volatile organic compounds (various types) are present in concentrations sufficient to act synergistically on many occupants, resulting in a sick building syndrome, usually when concentrations are too high. This syndrome does not conform to a particular illnessand is difficult to trace to a specific source. See indoor air quality; volatile organic compounds (VOC).