I’m often asked questions about the ice resurfacer at the rink and how it works. Ice resurfacers are typically called Zambonis after the creator, Frank Zamboni, but there are other brands, such as Olympia. Every official rink has an ice resurfacer. Here are two good articles on how they work:
How Ice Rinks Work: Maintaining the Rink
Ice Resurfacer from Wikipedia
Photo Credit: Photo by Eric Kilby at Flickr Creative Commons.