Pipes in your system will have a C-Factor to help determine this loss. This is a measure of the roughness of the interior of the pipe that creates this friction. Different types of piping will have a different C-Factor, and the higher the C-Factor, the smoother the pipe.
A motif is a literary term that is an idea, object, or concept that repeats itself throughout a text. A motif gives clues to theme or reinforces ideas an author wants to emphasize. A motif generally reinforces the theme of the text. A motif must be repeated throughout a text to be considered a motif.
Nautical Motif & Special Touches: The motif is the visual representation of your theme, which is created by the use of objects or symbols. This symbol may be repeated on your invitations, program, plates, or decorations. Sometimes the use of several different symbols will be used as components of the theme.