1. Platform tennis uses a solid sponge rubber ball and overhead serving is permitted. 2. The ball is made of sponge rubber and is approximately four inches across. 3. Inc ., a subsidiary, had introduced a closed-cell sponge rubber gasket for drums. 4. I finally went to work for a sponge rubber manufacturer. 5. Sponge rubber pads are available in quarter-inch-and three-eighths-inch thicknesses.6. Softer sponge rubbers will gain a larger performance boost from speed glue than harder rubbers. 7. Imagine recruits fixing cold sponge rubber to their nerf rifles and charging dummies while yelling " Humiliate! 8. The French-made P�che-Sport Suit and the UK-made Siebe Gorman Swimsuit were both made out of sponge rubber . 9. Two versions of Kong's right hand and arm were constructed of steel, sponge rubber , rubber, and bearskin. 10. Softer sponged rubber , e . g.
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