good way to rotate your cans. You could even make some of the shelves large enough to fit cannery cans (you know, the big ones).
Also on these boards
HOW TO BUILD ROTATING CANNED FOOD SHELF Storing canned food in your kitchen cabinets is an inefficient use of space and you will often find old cans in the back. This easy-to-build shelf system will solve the problem by rotating the cans. The cost is a small fraction of the price of retail canned food systems. There are many variations so modify the plans to suit your needs and abilities