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original. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Speaker notes and slides from...
archive.org/web/20161028130316/http://www.panoramio.com/user/7264373?with_photo_id=96183911 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028211810/http://www.panoramio.com/user/7264373?with_photo_id=96183855 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161027173254/http://www.panoramio.com/user/7264373?with_photo_id=96183842 operator: Panoramio described at URL: https://web.archive...
planer heads sketch.svg Westbahnhof self·cc-by-sa-4.0·GFDL Dornbirn-Vierkantenhobelmaschine-H+K-03.jpg Asurnipal self·cc-by-sa-4.0 4-side planer heads sketch...