Crawlin’ critters and crud: a guide to the slime, grime and livestock that’s sleeping, creeping and galloping through your carpet

Asphalt. Bacteria. Car Exhaust. Chemicals. Dirt. Dust. Earth. Food. Particles. Fungus. Germs. Gravel. Grease. Grime. Grit. Hair. Industrial waste. Lint. Mud. Pet stains. Pollens. Pollutants. Rock. Sand. Scum. Smoke. Soil. Soot. Tar. Tobacco smoke. Urine. Vomit. (Will you help us? We’re trying to find at least one thing that’s in your carpet for every letter…