Glass
Anti-glare screens, glassBottles and jars, glassCrystal glassCrystal lampsDemijohns, glassDouble glazingFiltering glassGlass - partitions and doorsGlass constructionsGlass hollowware - household articlesGlass hollowware, colouredGlass hollowware, laboratory and technicalGlass hollowware, lightingGlass hollowware, safetyGlass hollowware, wiredGlass manufacturing - machinery and equipmentGlass paintingGlass, blownGlass, insulatingGlass, reinforcedGlass, sheetGlass, temperedLiquid crystalsPackaging, glassPlate glass, safetyVials and flasks, glassWindows and portholes for aircraft and shipsWindows, stained-glass and leaded-glassWired plate glass