accelerated weathering
A laboratory testing technique to determine, in a relatively short time, the weather resistance of a paint film or other exposed surface.
A laboratory testing technique to determine, in a relatively short time, the weather resistance of a paint film or other exposed surface.
An admixture that speeds the setting and/or the early strength development of hydraulic concrete.
1. The rate of change of the velocity of a moving body. 2. The rate of change, esp. the quickening of the
A joint between two pieces of wood, in which the direction of the grain in one piece is at an angle (usually
One of two tenons which are inserted in a common mortise from opposite sides, so as to touch each other.