During prophase the chromosomes are identical chromatids connected at the center by a centromere, forming a X-shaped object. The distinguishing feature of prophase is the setuâ¦p of the mitotic spindle, which is used to maneuver the chromosomes about the cell.
Plumbing fixtures generally refers to parts of a plumbing system that have a distinct use and application. This differentiates fixtures from other types of plumbing parts, such as pipes, which only carry water. For example, a faucet is a type of fixture because it can be turned on to release water.
Plumbing is a piping system with which most people are familiar, as it constitutes the form of fluid transportation that is used to provide potable water and fuels to their homes and businesses. Plumbing pipes also remove waste in the form of sewage, and allow venting of sewage gases to the outdoors.