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Float glass is a sheet of glass made by floating molten glass on a bed of molten metal of a low melting point, typically tin, [1] although lead was used for the process in the past. [2] This method gives the sheet uniform thickness and a very flat surface. [ 3 ]
Cylinder blown sheet is a type of hand-blown window glass. It is created with a similar process to broad sheet, but with the use of larger cylinders. In this manufacturing process glass is blown into a cylindrical shape by a glass blower. The ends of the cylinder are cut off and a cut is made down the side of the cylinder.
Draping is a variety of free-fall slumping, where the mould former is placed in the centre of the piece and the outer edge falls under the heat. As this outer edge is unconstrained, it tends to fall in large folds. The edge is thus highly uneven, although a carefully draped piece may still retain perfect symmetry.
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass.
Omer Neutra, from Long Island, New York, was one of seven American citizens held in Gaza. Four, including Neutra, have now been pronounced dead, with three believed to be alive.
The Los Angeles Dodgers have agreed on a contract extension with IF/OF Tommy Edman for five years for $74M through the 2029 season with a club option for the 2030 season.
In motion-picture cameras, the ground glass is a small, usually removable piece of transparent glass that sits between the rotary disc shutter and the viewfinder. The ground glass usually contains precise markings to show the camera operator the boundaries of the frame or the center reticle, or any other important information. Because the ...
Two friends were in the room with him. In an instant, Bryan and the man with the gun started to struggle, falling to the hardwood floor. “Bryan, don’t try to fight this,” one of his attackers warned. And then, suddenly, the gun went off, the bullet striking Bryan in the face. “Bryan, where do you keep your money?” the shooter demanded.