There are other skills plumbers need aside from being able to work with water. One of the most common things that a water line repair on is fixing water lines.
Examine the washer and replace it with a new one. Also replace screws in water line repair case they are old and damaged too. The new ones you buy should be durable and of good quality.
This so impressed me, that I thought, here is the man who might fix my sink problem, and I told him about my kitchen sink. The look on his face was priceless, as he said, "Ridiculous! Sinks don't leak if they're new." He even showed me what to do. He took out a big heavy-duty screwdriver with a big flat-head blade and showed me. "This is what's probably lose." He put the blade of the screwdriver in a notch the size of a giant screw head that was right in the center of the drain basket where the plug sat in.
Dishwasher. To check water leakage on your dishwasher, you will need several sheets of paper placed underneath the machine before operating it. When the machine stops, check the sheets of paper you placed underneath to see it they are wet. If so, call a maintenance person to repair the leak immediately. It is important also for you to remember that regular dishwasher uses 15 gallons on every wash load. Make sure that when you use it, the load is full.
Check that your plug holes and waste outlets are clear of hair and solidified soap also check the "U" bends or traps under your sinks for potential blockages. Occasionally pour boiling water line repair down your sinks and shower wastes not forgetting the washing machine trap. Look outside too for any weeds or leaves that may be blocking gutters, gully's and waste outlets.
Keep your hands clean and dry. Plumbing jobs get slippery, so it's important to work with a pair of sturdy gloves so you don't lose your grip and accidentally hurt yourself or break something.
Bottom line is that it is now very easy for even a desk jockey to fix his own pipes. Go by the closet home improvement store on your way home. Pick up some of these fittings and impress the wife with talents that she did not know you had. You may even get brave and do that small plumbing project that she has been begging for. Now you can use these fittings to cut into that water line to run that new outside faucet or hookup that water filter yourself. With the push type fitting plumbing has been made easy enough for anyone to be able to do it.