Construction materials typically include cement, sand and gravel, lumber, wood panels, gypsum boards, framing studs, bricks and tiles, structural components, various pipes, electrical and plumbing fixtures, reinforcing bars, plastic sheets, and small construction tools and equipment. Additionally, decorative materials such as glass, stone slabs, various flooring types, lighting fixtures, paints and auxiliary materials, doors and windows, hardware, rubber and plastic fittings, wallpaper, and wall fabrics. This constitutes a relatively large category within the manufacturing industry.