<span>A slide master is the top slide in a hierarchy of slides that stores information about the theme and slide layouts of a presentation, including the background, color, fonts, effects, placeholder sizes, and positioning. </span>Check out this link https://www.youtube.com/watch?v=FA5aZ4Qk5RE
Physics. only one, if the drum is 500m around... 50 turns. you will need on the drum for your cage and skip to move up and down by 500m. 500/18.84= 26.5.
