perforating gun for perforating metal casing lining an oil and gas well; perforating gun subassembly, namely, a cylindrical housing having one or more openings therein with an explosive perforating charge disposed in each of the openings; perforating gun systems, namely, a combination assembly of a perforating gun, explosive charges, an addressable switch, and an electrical connector

Hair pieces and wigs; Wigs; Wigs, hairpieces, and add-in and add-on hair accessories constructed primarily of synthetic and/or human hair

Cushions Made of Polyethylene Foam or Polyurethane Foam

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