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The squeegee is a rubber handheld tool that is dragged over the surface, wiping off the water from the surface it is used on. The blade is usually made from (synthetic) rubber and is fairly flexible on its own. The use of the squeegee is a popular topic of debate because of its potential of creating surface imperfections.
The brakes and/or calipers on a vehicle refer to a system to slow down a vehicle when needed. In general, this works by increasing the friction between 2 moving parts, where the energy of the movement is transformed into heat. Some vehicles (like electric cars) use secondary systems to either aid in braking, or to use the energy to generate a usable form of energy (like electricity).
The pencil scale is a test of hardness that gives an impression on how hard a certain coating is. The test is done by pressing a pencil with a certain hardness firmly on the surface on a 45 degrees angle. The highest grade that does not make permantently mark the surface is the score for the pencil scale.