Dental products, namely, plastic material for fabricating complete and partial denture liners/relines, and for fabricating gaskets for over dentures; Electric esthetic massage apparatus for household purposes; Electric massage appliances, namely, electric vibrating massager; Foot massage apparatus; Medical apparatus, namely, an injectable oxygen delivery system comprising an oxygen device which produces nanobubbles and nanobatteries to prevent or treat eye disease; Organoleptic diagnostic testing apparatus for medical, dental or cosmetic use; Oxygen concentrators for medical purposes; Oxygen inhalators for medical use, sold empty; Oxygen inhalers for medical purposes sold empty; Support mattresses for medical use