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riser main

 

Definitions from WordNet

Noun riser main has 1 sense
  1. riser, riser pipe, riser pipeline, riser main - a vertical pipe in a building
    --1 is a kind of pipe, pipage, piping

Definitions from the Web

Riser Main

A riser main refers to a vertical pipe or conduit that allows the transportation of various substances, such as water, gas, or oil, from underground to the surface.

Usage Examples:

  1. The construction workers installed a riser main to bring water to the upper floors of the building.
  2. The oil company drilled a riser main to extract crude oil from the ocean floor.
  3. The city's gas supply is connected through a network of riser mains.

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