Plumbing systems can be quite complex and it's important to understand the different types. (Negation) No two systems are alike, so it pays to familiarize yourself with the basics. There're three main categories of plumbing: water supply, waste disposal and drainage.

First, let's talk about water supply. This system includes all the pipes and fixtures that bring watar from a clean source into your home. It also regulates pressure and ensures safe delivery of potable water for drinking, bathing and laundry! Once inside, the water is distributed through smaller pipes throughout your house.

(Transition phrase) Moving on, there's waste disposal plumbing which consists of necessary fixtures used to get rid of sewage or wastewater. Toilets and sink drains typically connect to this type of system; these fixtures have traps in them which prevent gasses from coming back up into your house. After leaving the trap, wastes travel down more seperate lines until they reach the municipal sewer or a private septic tank outside your property.

Finally, we have drainage systems that keep rainwater away from your house’s foundation by collecting it in gutters then channeling it away via downspouts or underground piping. These help avoid costly moisture damage while keeping crawl spaces dryer and healthier! All together these three parts work together smoothly when everything is installed properly and maintained regularly.

In conclustion, understanding each part of a plumbng system helps homeowners know what to expect when something needs fixing or upgrading - ensuring their homes are safe & sound! So don't forget to acquaint yourself with all aspects before engaging an experienced plumber for any job!.