skos:altLabel | - glass
- amorphous
- glasses
- Vitreous
- vitreous
- window glass
- optical properties
- Glass manufacturing
- Glass Mosaic
- Glass ingredients
- Glass melting in the laboratory
- Glass products
- Glass#History
- Glass#Optical
- Glass-sand
- Glassmaking
- Medieval glass
- Pharmaceutical glass
- Roman glass
- Sklo
- The Science of Glass
- art glassware
- core-formed method
- development of uncolored glass
- glass (material)
- glass (patio doors)
- glass does not flow
- glass flows over time
- glass making
- glass manufacturing
- glass melting in the laboratory
- glass which exploded
- glass#Silicate
- glass-making
- glassmaker
- glassware
- glassy material
- glazed
- glazes
- glazing
- lead crystal
- non-glassy
- normal glass
- panes of glass
- raw materials
- vitreous silica
- windowglass
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