1988 - Volume #12, Issue #5, Page #11
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Pen Cleaning Chain
A 9-ft. chain helps keep pig pens clean for Carol Stevens, Fordyce, Neb., who took first place honors for her invention. The chain is welded to a 4 by 4-in. steel plate that's anchored in the center of a concrete finishing pen As pigs root at the 3/8-in. dia. chain, the back and forth movement provides a sweeping actio..........


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1988 - Volume #12, Issue #5