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1. A portable support pad for reducing physical stress and/or fatigue associated with kneeling, sitting, lying, and/or standing on rigid, flat, irregular and/or un-even surfaces, the portable support pad constructed of nonwoven needlefelt that is flexible, porous, absorptive, and chemically resistant to corrosive substances, wherein the portable support pad constructed of the nonwoven needlefelt comprises a plurality of individual fibers of finite length having been oriented into a web, festooned into a multilayer batt, and consolidated into a pad configuration using a plurality of barbed needles to entangle the individual fibers of the batt with others of the individual fibers of the batt, wherein the individual fibers include synthetic fibers, natural fibers, or a combination thereof, and wherein the individual fibers are between 50% to 100% 1.0 denier to 6.0 denier fiber as a lower denier fiber, and 0% to 50% 3.0 denier to 15.0 denier fiber as a higher denier fiber.
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