Technológia

https://web.microsoftstream.com/embed/video/015a4f80-8097-4eb0-94b7-3b7ac1e94864?autoplay=false&showinfo=true

https://web.microsoftstream.com/embed/video/8a665e3f-355a-4d85-addd-d76f5cddeb4f?autoplay=false&showinfo=true