Once we know these heads, we will then subtract the suction head from the discharge head and the amount remaining will be the amount of head that the pump must be able to generate at the rated flow. Here is how it looks in a formula: System head = total discharge head - total suction head. H = hd - hs.
Observation Point. This well used path climbs a short, steep, wooded hillside to a viewpoint of Old Faithful and nearby features, then continues across the hill to Solitary Geyser, a bubbling pool in an open area of the forest.
The Weight Watchers Points System is one of the useful tools for those who want to lose or control weight. With this system, foods were assigned points. You count and control the total points of the food you take per day. In November 2010, Weight Watchers announced that its Points system was being replaced by a new PointsPlus system in the United States and a new Pro Points system in the UK.