the outer shell (synthetic leather — about 30 percent of the total ball); the inner air bladder (rubber — about 70 percent of the total ball); and the dyes (less than 1 percent of the total ball). The ...
If you love to golf, but feel guilty every time your ball plops into the lake as another piece of litter, never fear — your environmental concerns may soon come to an end. An undergraduate student and ...
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