This is a rolling table with under and over shelves designed for packing vegetables or other crops. It has an adjustable work height to accommodate users of different heights and different tasks. It was designed and built for the Small Farms program at the North Willamette Research and Extension Center in Aurora, Oregon with a Clackamas Extension Innovation Grant.
For a full write up and more photos of the design please check http://www.joshvolk.com/?p=389