37 Refurbishment services featuring, restoration, recovery, cleaning and reconstruction of paintings, sculptures, art glass, mosaics, murals ceramics, drawings, vintage books and scrolls, damaged by fire, smoke, wind, water, mold, pollutants, natural disasters, environmental disasters and other causes; restoration services in the field of restoring printed documents; restoration services in the field of paintings, sculptures, art glass, mosaics, murals ceramics, drawings, vintage books and scrolls damaged by fire, smoke, wind, water, mold, pollutants, natural disasters, environmental disasters and other causes; all of the aforementioned excluding the restoration of aircraft engine and structural components for others