If coke can clean a car battery post, i'm sure it will do wonders for a clogged sink! all of these ideas just make good sense! great hub, voted up, useful and pinning! :). How can plumbing problems be mitigated? A robot with a touch-screen information apps stroll down the pavillon at the singapore international robo expo. Nyc is a trademark and service mark of the city of new york. The company was very quick to react.