Bear Glass

Pane - A lite/sheet of glass.
Patterned glass - Patterned glass presents uneven surfaces with different impressed patterns.
Peg - A metal tool to hold glass in a frame.
Plate Glass - Used in the past to produce higher quality glass, this technology was completely outperformed by the float glass process.
Plate Glass - Flat glass made by the casting or rolling of molten glass which is then mechanically ground and polished to produce a smooth and transparent sheet.
Polishing - Smoothing the surface of an object when it is cold by holding it against a rotating wheel fed with a fine abrasive. Glass can also be polished with hand-held tools.
Primary seal - A butyl-based sealant applied to the edges of the space bar during assembly into double-glazed units, to ensure a watertight and airtight seal around the perimeter of the unit.
PVB - The plastic interlayer incorporated into laminated glass in order to ensure good adhesion and the mechanical and safety breakage characteristic of the glass.