It takes time to become a good plumber, i.e., he has to spend more time for his career to be successful. There are many areas where a toilet repair like "wet only plumber" & in "Gas Industries". In the first type work is done in homes such as fitting bathroom, sprinkler system. Second type is very sensitive. To work in a gas industry one has to first achieve Council of Registered Gas Installer Certificate. Some plumbers normally work in domestic areas such as leaky taps & blocked sinks etc. Normally whatever field a plumber chooses the basic thing he must know is Water Regulations & Building Regulation.
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.
In repairing a tub faucet, you will notice that there will be drips that you need to address to. With this, you will need to replace the washers and/or seats.
Sales representatives must know beforehand that almost all the answers above need to be encouraging. Otherwise, there is a slim to none chance a sale is made. Besides cold call prospecting, so much of the typical sales rep's time is spent trying to make sales when a sales situation does not truly exist.
OQuality water line repair referrals from friends family or acquaintances can be an invaluable cog in the process. By getting referrals from people you trust, you can make your search a much faster process.
There are a lot of different shapes and styles of toilets but, with a few exceptions, they all work about the same. Water is released from the tank (many commercial toilets use a special valve instead of a tank) into the bowl to flush the waste into your drainage piping. Basically pretty simple, right?
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.