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2. Cut glass - Wikipedia

   en.wikipedia.org/wiki/Cut_glass

   Bowl of a wine glass in typical cut glass style Cut glass chandelier in Edinburgh. Cut glass or cut-glass is a technique and a style of decorating glass. For some time the style has often been produced by other techniques such as the use of moulding, but the original technique of cutting glass on an abrasive wheel is still used in luxury products.

3. Glass recycling - Wikipedia

   en.wikipedia.org/wiki/Glass_recycling

   Bottles in different colors Mixed color glass cullet Public glass waste collection point for different colors of containers. Glass recycling is the processing of waste glass into usable products. [1] Glass that is crushed or imploded and ready to be remelted is called cullet. [2] There are two types of cullet: internal and external.

4. List of physical properties of glass - Wikipedia

   en.wikipedia.org/wiki/List_of_physical...

   Soda–lime glass (for containers) [2] Borosilicate (low expansion, similar to Pyrex, Duran) Glass wool (for thermal insulation) Special optical glass (similar to Lead crystal) Fused silica Germania glass Germanium selenide glass Chemical composition, wt% 74 SiO 2, 13 Na 2 O, 10.5 CaO, 1.3 Al 2 O 3, 0.3 K 2 O, 0.2 SO 3, 0.2 MgO, 0.01 TiO 2, 0. ...

5. Glazier - Wikipedia

   en.wikipedia.org/wiki/Glazier

   Remove any old or broken glass before installing replacement glass; Cut glass to the specified size and shape; Make or install sashes or moldings for glass installation; Fasten glass into sashes or frames with clips, moldings, or other types of fasteners; Add weather seal or putty around pane edges to seal joints.

6. Lead glass - Wikipedia

   en.wikipedia.org/wiki/Lead_glass

   Cut glass wine glass made of lead glass. Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. [1] Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. [2]

7. Glass - Wikipedia

   en.wikipedia.org/wiki/Glass

   This assumption is incorrect, as once solidified, glass stops flowing. The sags and ripples observed in old glass were already there the day it was made; manufacturing processes used in the past produced sheets with imperfect surfaces and non-uniform thickness (the near-perfect float glass used today only became widespread in the 1960s). [7]