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Automated car washes come in several varieties, including touchless and friction car wash systems. Touchless car washes use high-pressure water jets and powerful detergents to clean vehicles without direct contact, reducing the risk of scratches and paint damage. These systems are ideal for customers who prioritize vehicle care and want a quick wash without entering the equipment. On the other hand, friction car washes use soft cloth or foam brushes that gently scrub the vehicle's surface, providing a more thorough clean while still maintaining care for the paint.
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In addition to the PSI, the type of nozzle you use can greatly influence your washing experience. Most pressure washers come with a variety of nozzle tips designed for different cleaning tasks. For vehicle washing, a wide-angle nozzle (often color-coded green or yellow) is perfect, as it creates a broad spray pattern that offers a gentler wash. Avoid using zero-degree nozzles, as these produce a concentrated stream of water that can easily damage the car's exterior.
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There are several types of impellers used in sewage pumps, each with distinct features catering to various types of sewage applications. The most common types include open, semi-open, and enclosed impellers. Open impellers have no front shroud, allowing for larger solids to pass through without clogging. This makes them ideal for handling raw sewage containing debris. Semi-open and enclosed impellers, on the other hand, are more suitable for cleaner liquids, offering better efficiency and pressure generation.
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