| http://www.w3.org/ns/prov#value | - For example, the polyolefins, polyethylene and polypropylene, the polyacetals, poly-butadiene-styrene copolymers, the polyfluoro and polyfluorochloro-polymers, such as TEFLON and KEL-F and other polymers and copolymers are generally suitable, when properly processed and handled, for at least temporary residence in the body.
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