• In plumbing, a pipe or fitting that continues in the same straight line as the direction of flow.
  • In roofing, the horizontal distance between the outer face of the wall and the roof ridge.
  • In stairs, the horizontal distance from the face of the first riser to the face of the last riser.
  • Series of surveyed elevation changes in one direction.
  • To sieve plaster or putty. (6) Window sash.
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