Anatomy of the foot. The foot is one of the most complex parts of the body. It is made up of 26 bones connected by many joints, muscles, tendons, and ligaments. The foot is susceptible to many stresses. Foot problems can cause pain, inflammation, or injury. These problems can result in limited movement and mobility.
Bricks and tiles. Bricks and tiles are made from clay minerals. When wet, the clay can be shaped, and then fired to make floor, wall, and roof tiles, as well as house bricks. Think about the properties of clay: Easy to shape when wet. Strong and rigid when fired. Impermeable when fired. A thermal insulator.
The outside component of an exterior wall in a mobile house trailer is typically constructed out of one of three different materials: metal, hardboard or vinyl. This part of the exterior wall is the part exposed to the weather. Vinyl is the best siding to keep water from getting inside the wall. Metal siding may leak, and hardboard can be prone to rotting.