Shamrock Foods, a food distributor that does a lot of institutional and restaurant business throughout Arizona, has an automated high-rise storage/retrieval system in its distribution center. A conveyor system travels from a cooler dock through a wall into the freezer area in the AS/RS tower. The hole in the wall through which the conveyor travels is 5ft. wide x 6ft. high, and strip doors have traditionally been used as a separator, with infrared lights used to keep the doors from freezing.
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