What Happened To Harry - Back Siphonage
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Utilizes a comic sketch of 'HAPPY-GO-LUCKY' Harry to show dangers of back siphonage and cross-connections in plumbing systems.
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Sources
- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
Original permalink · Record added 2023-02-27 06:42:20