Factual error: The Asian girl in the future was wearing her collar with termination charge for a very long time around her neck. When it was removed there was no mark, tan line, or indention or anything left behind, as if it had never been there. Yet all evidence points to years of endless wearing.
Continuity mistake: When the Fabricant of the future is told this is to remove her collar, at which point she is killed, they lay her back and her arms are at her side. They pull her to burn. Her arms are in a position to not bend properly when reaching the threshold. Shot cuts and suddenly her arms are turned so they easily fold up.