â¦about tires, XL really means extra load. These tires can use higher air pressure to support more weight than a standard tire of the same size. If you want to see whether your current tires are standard or extra load, you can check the service description on the tire's sidewall. An extra load tire willâ¦.
Plumbing vents which have been accidentally closed off or blocked: some plumbing vents include a. screen which can slide down, closing off the vent and causing sewer gas backups in the building. We've. also found plumbing bents blocked by wasp nests, birds, and once even a frog.
Properly constructed and maintained. plumbing will prevent sewer smells from entering your pipes. How Your Plumbing is Supposed to Work. What comes in must go out, and half of plumbing is about getting rid of waste. The. plumbing system inside your home or any building consists of a network of pipes, vents. and traps. These are the least visible and least glamorous elements of your home's. plumbing.