The normal configuration is wafer, spacer, wafer, spacer, and so on. These wafers also have a single pin in the ring that catches the bar on the wafer rack so that the wafer rotates as the sweeper drive spins the wafer rack. Wafers have created several nicknames for themselves more than the years like whiskers, broom sections, or discs, just to name a couple of. Basically place, wafers are individual,…Read More