<Li> Structural layouts . </Li> <Li> Electrical and telecoms drawings: show locations of all the outlets, TV sockets, switches and fixtures . Also indicates which switches operate which lights, and where the electric lines should be run, . </Li> <Li> Plumbing schematic drawing: plumbing fixtures and piping . </Li> <P> House plans use the following lines and symbols to convey the relationship between objects: </P>

Identify the level of measurement the number of rooms in a single-family house