Ten common examples of filtration include: 1) Brewing coffee, where a paper or metal filter separates ground beans from the liquid beverage. 2) Using a water pitcher filter to remove chlorine and sediments from tap water. 3) Air conditioning systems using HEPA filters to trap dust and allergens from indoor air. 4) Swimming pool pumps circulating water through sand or cartridge filters to remove debris. 5) Vacuum cleaners using bags or cyclonic filters to capture dirt and dust from floors. 6) Car oil filters removing metal shavings and sludge from engine oil to prevent wear. 7) Breathing, where nasal hairs and mucus filter particulates from inhaled air. 8) Kidney function, where blood is filtered to remove waste and excess fluids. 9) Industrial wastewater treatment plants using multiple stages of filtration to clean sewage before release. 10) Laboratory procedures using funnel and filter paper to separate precipitates from solutions during chemical experiments. These examples illustrate how filtration is ubiquitous in daily life, industry, and biology.
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