prosthetic and orthotic appliances, namely upper and lower extremity fittings, myoelectric and conventional arms, immediate postoperative breast, hand, leg and arm prostheses, ischial containment sockets, flexible sockets, energy storing feet, high-heeled feet, sports designs, namely waterproof swimming and skiing prostheses, namely arm and leg protheses, cervical and spinal braces, body jackets, corsets for therapeutic use, hip abduction braces, elbow braces, hernia trusses, knee braces, A.F.O./K.A.F.O. braces, fracture braces, compression stockings, arch supports, pediatric braces, and thermoplastic fabrications for the extremities and parts thereof including legs, knees, ankles, feet, arms, forearms and hands