# Pipe freezing (Pipeline maintenance)

{
  "id": "S97005346",
  "title": "Pipe freezing (Pipeline maintenance)",
  "url": "/topics/S97005346",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "f4dbaa3324596652",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "9241527173930960418",
  "address_version": "morton4x16-v1",
  "coordinates": [
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    23,
    8380,
    34816
  ],
  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
}

Here are entered works on a technique for producing a solid, pressure-resistant, frozen plug in a liquid-filled pipe or pipeline, in order to temporarily isolate a section of pipe for maintenance, repair, or modification.

Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh97005346

No owner-reviewed local answer yet.