NOT KNOWN FACTS ABOUT LEVEL INVERTS

Furthermore, it is usually the pipe obvert elevation that decides the slope of a pipe in draining programs. The pipe invert can be utilized, as possibly of these provide interchangeably for most calculations. hfill & text for hfill & remaining. text Odd ideal] hfill 0 hfill & text for hfill & text even hfill close array appropriate.$$This wavefor