Flat glass that has been reshaped while very hot to form a curved surface.

An arrangement of two gateways not in line, so that it is necessary to make a sharp turn to pass

The personnel benefits required by law (such as social security, workmens compensation, and disability insurance), and by custom (such as

The improvement in the physical or chemical properties of a material by the removal or modification of undesirable components or

The use of a project or portion thereof for the purpose intended.

The smallest radius of curvature into which a material can be bent without damage.