The Anahuac Mayab University is a private institution of Catholic inspiration founded in 1984.
They are used in the same applications as fender washers. A spherical washer is part of a self-aligning nut; it is a washer with one radiused surface, which is designed to be used in conjunction with a mating nut in order to correct for up to several degrees of misalignment between parts.
Pressure washers use pumps, powered by gas engines or electric motors, to amplify the water pressure, providing the power necessary for a variety of cleaning applications. Pressure washer pumps have two connection points for low and high pressure.