| http://www.w3.org/ns/prov#value | - Half sections 210 are preferably formed of a suitable plastic material such as ABS (acrylonitrile butadiene styrene), polycarbonate, polypropylene, polyethylene or the like, or, in the alternative, of a metal such as stainless steel, and are attached along a seam by suitable attachment techniques, including adhesives and/or ultrasonic welding.
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