From Wikipedia, the free encyclopedia.
- In sand casting, a riser prevents shrinkage in metal cast parts during the solidification process.
- In parachuting, a riser is one of several straps that attach the parachutist's harness to the suspension lines or shroud lines. Parachutes can be steered by pulling on one or more of the risers, to alter the shape of the inflated canopy, although the primary control mechanism is through a pair of steering lines a.k.a. brake lines attached to the left and right trailing edge of the canopy and routed past the left and right rear risers.
- In plumbing or sewage disposal, a riser is a pipe leading water upwards from the ground or sea-bed level. In domestic plumbing use, it is a shorter name for a rising main.