The middle glass sheet touching the parchment is the major concern with the old case, experts said.
Therefore in production, the soft coating must be carefully removed from the entire edge of the glass sheet.
The invitations were laid face down on a glass sheet for a moment, and then handed back as souvenirs.
Cells require protection from the environment and are usually packaged tightly behind a glass sheet.
Having a glass sheet touching the parchment itself is the biggest problem with the old case, experts said.
For smaller display sizes (under 30 inches), the glass sheets can be replaced with plastic.
Two large furnaces used for making bells survive in the floor, currently under glass sheets.
A brief search locates the glass sheet at the back of the temple.
And the ice became a slick glass sheet once again.
Their company bought glass sheets, mirrors and lenses from this factory.
