Dispensers of plastic, glass and metal parts, namely, hand-operated vaporizers and hand-operated sprayers sold empty for medical and pharmaceutical products; manually actuated pumps of plastic for hand-operated sprayer and hand-operated vaporizer bottles for dispensing pharmaceutical preparations; hand-operated vaporizer bottles, sold empty, for delivery of pharmaceutical and medical preparations; hand-operated mini-vaporizers, sold empty, for delivery of pharmaceutical and medical preparatio...