The footprintd you added here are all valid and quite accurate. The shapes are correct but they tend to be oversized. Try mapping the footpritns slightly smaller than the roof you see in the imagery. Thank you for your contribution. If you want to experience the OSM community or to get timely feedback from other mappers; I recommend that you attend a mapathon. You can find events here https://osmcal.org/
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            #REVIEWED_GOOD #OSMCHA
            Published using OSMCha: https://osmcha.org/changesets/171748547
            