Swimmer on board.Recreonics Super Boards feature a dense closed-cell foam construction to provide rigid This article is about mathematics. For the materials sense, see Stiffness. In mathematics, suppose C is a collection of mathematical objects (for instance sets or functions). and durable buoyancy buoyancy (boi`ənsē, b  `yən–), upward force exerted by a fluid on any body immersed in it. Buoyant force can be explained in terms of Archimedes' principle. for swim training. Unbreakable and water-resistant wa·ter-re·sis·tantadj. Water-repellent. water-resistant Adjective (of a fabric or garment) having a finish that resists the absorption of water Adj. 1. , these kickboards are available in two sizes for both all-around training and specifically for competitive swimmers. Recreonics Super Boards are available in red, yellow and blue. Recreonics, Inc., (800) 428-3254, www.recreonics.com. FOR MORE INFORMATION CIRCLE READER SERVICE NO. 32 [ILLUSTRATION OMITTED] |
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