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Combined display of all available logs of Karl Polanyi. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 08:56, 23 March 2018 Santiago Pinault talk contribs deleted page What Is Air Ventilation And Its Use (content was: "Synthetic infiltration: apart from deliberate air flow, air additionally gets in the building through the invasion process. T...", and the only contributor was "RitaRuse48" (talk))