There are a few simple things you can do to avoid a clogged sink. Follow these tips and your sink will stay clear:

1. Clean the Drain: One of the first steps in avoiding a clogged kitchen sink is cleaning the drain. Remove any food or debris that has built up over time, and make sure the plumbing is clear by flushing the system with water. 

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2. Avoid Overflowing: Make sure your drains are not overflowing by checking for leaks and fixing them as necessary. Overflowing can lead to debris buildup in your drains, which can cause a clog later on. Keep your drains clear by using properly sized pipes, preventive measures if there is an emergency (like when water floods), and hands-on maintenance once a month.

3. Clear Your Sink Every Time You Use It: Once you've removed all of the excess material from your drain, always clear out your sink before using it again. This includes rinsing off any food residue, washing dishes, and washing fruit or vegetables. Not doing so may lead to future blockages caused by leftovers.

4. Avoid Placing Heavy Objects In The Sink: If you regularly place heavy objects into your sink, it may become blocked over time due to its weight . Try to use smaller dishes and glasses, or place the heavier objects on the counter. 

5. Clean The Faucet: Cleaning the faucet can help prevent debris from building up inside the faucet itself. Use a hose to blast away any built-up dirt, soap scum, or food particles, and then use a toothbrush to clean the porcelain.