| http://www.w3.org/ns/prov#value | - According to a preferred embodiment of the system of the present invention guides 330 are coated or lined with strips of plastic, vinyl or other non-metallic material having suitable wear-resistance advantageously causing chain 325 (or belt or cable) to operate more quietly and wear less quickly. [0042] Referring to FIG. 5 there is illustrated an end-view of one embodiment of select elements of dr
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