Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing fixtures, tanks, and other apparatuses.

A lawn is an area of soil-covered land planted with grasses and other durable plants such as clover which are maintained at a short height with a lawnmower and used for aesthetic and recreational purposes.

Domestic roof construction is the framing and roof covering which is found on most suburban detached houses in cold and temperate climates. Such roofs are built with mostly timber, take a number of different shapes.

It may make just as much sense to upgrade a home systemas to repair it or incur ever-more-frequent and expensive maintenance for an inefficient, obsolete or dying system. For a DIY project, it is also useful to establish limits .