control area
A building (or portion thereof) in which exempted quantities of hazardous materials may be dispensed, handled, stored, or used
A building (or portion thereof) in which exempted quantities of hazardous materials may be dispensed, handled, stored, or used
In Spanish Colonial architecture, a chapel usually having no permanent padre to officiate at religious ceremonies, relying instead on the
An ornamental pattern on a surface that forms overlapping elements which are below the general plane of the surface. This
In Medieval architecture, a brickwork revetment for ramparts on the side of a terreplein, or for counterscarps and gorges.
In military architecture, a series of redoubts and breastworks to guard against sorties of an enemy garrison.
1. The minimum perceptible contrast for a given state of adaptation of the eye. 2. The luminance contrast which can
The ability to detect the presence of differences in luminance; the reciprocal of the contrast threshold.