A refrigerator ice maker has a valve that fills a tray with water until it’s frozen, at which point a set of pins sweep the ice out of the mold and down a shoot into the bin. Find out how an ice maker when knows when it’s full with help from a home remodeling specialist in this free video on ice makers.
Expert: William Perkinson
Bio: William Perkinson is a partner with Perkinson Building Corporation, based in Birmingham, Ala.
Filmmaker: Tim Brown
Series Description: In order to sharpen a knife with sandpaper, the first step is to clean the knife, and different grades of sandpaper can be used to hone the blade to a very fine point. Find out how to avoid damaging a knife blade when it’s being sharpened with help from a home remodeling specialist in this free video series on home improvement and maintenance.