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Noun: riser main
  1. A vertical pipe in a building
    - riser, riser pipe, riser pipeline

Derived forms: riser mains

Type of: pipage, pipe, piping

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ripsaw
ripsnorter
riptide
RIRA
RISC
rise
rise to power
rise up
risen
riser
riser main
riser pipe
riser pipeline
rishi
risibility
risible
rising
rising prices
rising slope
rising tide
rising trot