There are other skills plumbers need aside from being able to work with water. One of the most common things that a garbage disposal on is fixing water lines.
When you get to the house stand if front of the toilet and locate the water shut off valve. Should be down below the toilet on the wall. Just turn it off (righty-tighty) completely and flush the toilet. All the water should have left the tank, well at least most of it. If there is remaining water line repair get it out with paper towels or a rag. The important thing is that no more water came in. If it did then your valve is not shut all the way or not working and you need additional help.
Plumbers are at a high risk for health problems. This is because they are regularly exposed to many different illnesses and infections. They can contract psittacosis and histoplasmosis from the regular contact they have with animal droppings. Plumbers also see regular exposure to harmful chemicals and elements like lead and the other chemicals that can be found in the plumbing materials they work with on a regular basis.
If you do experience a broken pipe, you must act quickly to prevent further water damage to your home or business. The first thing you must do is shut off the water immediately. Know where the water shut off valve is located and make sure all members of the household are aware of its location and how to shut it off.
If the area around the fan isn't clean and dry, or if dust or any sort of growth has accumulated on the blades or inside the exhaust duct, it may be a warning sign of excess moisture build-up. Clean the water line repair fan and area well. Then double- check that the fan is operating properly.
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.
The plumber you hire does not normally do heating but will do hot water heating or in floor heating in the house. Some places you can use the water heater for both domestic hot water and for in floor heating if the heating is a secondary heat. Check with your local plumbing codes on this to be clear.