As the development of. the modern dry kiln has progressed, a number of de-. sign modifications have been explored in relation to the. mechanism of heat supply, arrangement and type of. fans, control of relative humidity or wet-bulb temper-. ature, and use of various materials for construction of. the chamber.
as-built drawing. A working drawing as modified during construction; includes a record of concealed items (such as conduits for building services), thereby providing information for future reference. Also called record drawings. 1  Facebook. 2  Twitter.
Drawings depicting plumbing systems, especially drain waste and vent systems, frequently include isometric drawings. Isometric drawings are perspective drawings where vertical sections are depicted as vertical lines, and the horizontal lines conforming to the building North, South East and West lines are at a 30 degree angle above or below horizontal.