There are other skills plumbers need aside from being able to work with water. One of the most common things that a toilet repair on is fixing water lines.
85. Know your IRPCS International Rules for Preventing Collisions at Sea and be aware of how you should approach water line repair or cross a traffic separation scheme TSS).
Unfortunately, people will band together to gain support on something regardless of whether or not it is true. In this case, one person shared their thoughts on how ineffective the letters are and yet, they had nothing but their opinion to support this. They found a group of willing listeners who quickly became active supporters of the belief.
The next step in this process is to determine what type of method is available for fixing the problem. You cannot just caulk a crack or fill it in with cement and hope for the best. Unfortunately, there is more work than this because you have to fix the problem from both the inside out and the outside in. This takes a professional in most cases to determine the best method for repair.
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.
When doing the install on a water heater, keep an eye out for unconnected pipes. A commonly missed pipe is the one that leads out from the area for drainage. It is probably a recirculation pipe; that helps your water remain heated without wasting too much water.
Sometimes there can be complications of broken toilet flanges, closet bolts or rotted sub-flooring. If you find any of that in your situation, it will need to be repaired before reinstalling the toilet.