Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property.

Central heating differs from space heating in that the heat generation occurs in one place, such as a furnace.

Painting is the practice of applying paint, pigment, color or other medium to a solid surface. The medium is commonly.

Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing.

Renovation is the process of improving a broken, damaged, or outdated structure. Renovations are typically either.

A roofer, roof mechanic, or roofing contractor is a construction worker who specializes in roof construction.

Sanitary engineering, also known as public health engineering, is the application of engineering methods to improve.

Sewerage is the infrastructure that conveys sewage or surface runoff (stormwater, meltwater, rainwater) using sewers.