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 | The contents of the Envac Automated Waste Collection System page were merged into Automated vacuum collection on 2014-03-05. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page. |
| The contents of the Pneumatic refuse conveying system page were merged into Automated vacuum collection on June 06, 2018. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page. |