Filters of exhaust fans, dirty cook tops, kitchen walls of homes, cafeteria, and restaurants, bathroom shower walls and floors, jaccuzi surface, etc. are often dirty and very difficult to be cleaned, kitchen drain systems, bathroom and jaccuzi drains, toilet drains, etc. are often clogged and difficult to be unclogged. Industrially there are many surfaces and pipes are dirty or clogged due to the oil or greasy stuff, and they are very difficult to be cleaned and unclogged. We found Nano-micro particle fluid are very effective for cleaning dirty and greasy surfaces and pipes in domestic and industrial setups.