9 Scientific apparatus and instruments and teaching apparatus and instruments, namely, artificial limbs and mannequins for use in medical diagnostic training and as teaching aids for arthroscopy, coloscopy, endoscopy, laparoscopy, angioplasty, intramuscular injections, surgery, emergency medical training (EMT), forensic science, suture practice, ultrasound, x-ray, acupuncture, all used for depicting anatomical and pathological conditions and physiological, biological, physical, chemical, toxicological and pharmacological processes; medical instruction models, namely, resuscitation mannequins; artificial limbs and body replicas for use in medical instruction and training, namely, medical teaching mannequins