No.
Maybe pieces of old,broken glass
Maybe pieces of old,broken glass
Steel ball is used in boiler gauge glass to prevent overflow of water when ever gauge glass is broken..
Its resistance to fracturing into sharp shards when broken.
Laminated glass is used in home construction and has many different applications. It can be used for safety and security in windows as glass is normally very easily broken but once laminated it becomes much tougher.
Broken anything is not usually lucky. There are several charms of protection I know of that use broken glass as part of the spell, and re-cut pieces of coloured glass can be cleansed and used in magical charms or decorative stained glass pieces.
The scientific reason is that broken glass costs money.
Sunglasses are originally used in military purposes for stop the glare when flying planes.
I have used Pledge before and it usually works great on scratches.
Commonly used for table tops on expensive pool tables-smooth as glass but not as easily broken
Surprises me how humans want to fly to Mars and how they "made" it to the Moon, yet they don't know when sheet glass was first used for house windows and what was used for windows before glass was used. I bet "Americans" have no clue....
i dont know sorry:)