With no metal parts to rust ... always rise from the drain, and you can’t go horizontally from the sink into a wall without creating an obstruction in the kitchen. Plumbers have two solutions.

Prevention is better than cure, so it's important to take note of the everyday ingredients you should never pour down drains to escape the possibility of any problems arising with your kitchen sink ..

So if there's a new kitchen sink in your future ... can open the trap to clear clogs. The other parts will vary depending on your sink drain plumbing situation, but in most cases you won't ...