???? ???? ????????? ??????? ???? ?? ??????? ?????? ??? ??? ????? ?????? ?? ??? ?? ????? ????? ??? ????????? ??????? ??? ????. ??? ??????? ????? ?? ??????By including a PDF QR Code on the quilt web page of the presentation or lecture, you enable pupils or attendees to straight download related paperwork to their phones and tablets to get revisited a