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Wave washers, also known as crinkle washers, wavy washers, are curved washers that act as springs to compensate for vibrations and uneven surface. They are pressed against the underside of a bolt head unto the fastened material to distribute the load over a larger area, act as spacers, and prevent distortion of materials over time. Wavy washers are commonly used in maintenance works due to the ease of loosening and tightening of components. Furthermore, they are used in a variety of industries such as electronics, food, chemical, and construction among others.