Chemical polymeric additives for removal of metals and breaking emulsions in wastewater treatments

SKIN TREATMENT MACHINE, NAMELY A MACHINE FOR REMOVING A LAYER OF SKIN

Non-metal window assemblies comprised primarily of main frames, sashes, sills and glass panels and replacement parts therefor; and picture windows and replacement parts therefor

Light therapy units, namely, single and multi-spectral phototherapeutic apparatus for medical and aesthetic treatments

drinking water