The document provides definitions and descriptions of various construction materials, methods, and equipment. It includes entries on air barrier paper, attic ventilation components, backhoes, batter boards, brick bonds and sizes, bulldozers, cladding types, concrete joints and masonry units, doors, electrical and plumbing components, framing elements, front end loaders, gypsum board, heat pumps, insulation, lintel, mortar, oriented strand board, plywood, plumbing fixtures, rebar, roof drainage systems, roofing materials and shapes, stone, vapor retarders, waterproofing, weep holes, welded wire fabric, and window types.