Swirl marks show up in direct sun, light scratches catch the eye every time the car is washed, and a proper car polisher enters the conversation.

A coat of paint can make an old machine look new again, and two common types of paint that shops use are one-part alkyd enamel or two-part epoxy/urethane. One-part alkyd enamels are tough, easy to ...

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Anodizing. An acid dip that gives parts a frosty, etched appearance. It provides good corrosion resistance, and parts can be color dipped after being anodized. It can only be used on aluminum. Black ...