Unimog equipped with a Mulag MFK 500-T keeps tunnels in Mexico and Japan clean.
Alpine Plastic Toilet Bowl Brush w/Base Heavy-Duty Scrubber – Durable Chemical Resistant Fully Bristled Toilet Bowl Cleaner Brush with Non Slip Handle - Walmart.com
Single Brush Wash Systems - Transport Wash Systems
U.S. Art Supply Brush Cleaner and Restorer, 16 Ounce Bottle - Quickly Cleans Paint Brushes, Airbrushes, Art Tools - Cleaning Solution to Remove Dried On Acrylic, Oil and Water-Based Paint Colors - Walmart.com