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A panel system hurricane shutter made out of aluminum or steel. Another type of shutter is an accordion shutter which is made from interlocking vertical blades which slide into place horizontally. Another type is the roll-up or rolling shutter , consisting of a series of slats that form a curtain with both sides of the curtain being inserted ...
The type of acrylic used in tanning beds is most often formulated from a special type of polymethyl methacrylate, a compound that allows the passage of ultraviolet rays. Sheets of PMMA are commonly used in the sign industry to make flat cut out letters in thicknesses typically varying from 3 to 25 millimeters (0.1 to 1.0 in).
The characteristics of polycarbonate compare to those of polymethyl methacrylate (PMMA, acrylic), but polycarbonate is stronger and will hold up longer to extreme temperature. Thermally processed material is usually totally amorphous, [ 7 ] and as a result is highly transparent to visible light , with better light transmission than many kinds ...
This refers to a window placed within one of the panels of a computer case. [7] This is most often done to the left hand side panel, and less often to the top panel. This modification is so popular that many of the major case manufacturers now offer cases with the windows pre-installed, or replaceable side panels with a window installed. [8]
Since the early 2000s, some cases have included clear side panels or acrylic windows so that users can look inside while it is operating. Modded cases may also include colored internal lighting, custom paint, or liquid cooling systems. Some hobbyists build custom cases from raw materials like aluminum, steel, styrofoam, acrylic, or wood.
Bulletproof glass of a jeweler's window after a burglary attempt. The Mona Lisa behind bulletproof glass at the Louvre Museum. Bulletproof glass, ballistic glass, transparent armor, or bullet-resistant glass is a strong and optically transparent material that is particularly resistant to penetration by projectiles, although, like any other material, it is not completely impenetrable.
Two weeks of public testimony concluded Friday in the U.S. Coast Guard's investigation to establish what caused the Titan submersible to implode during a deep ocean dive last year.
In the United States, the International Building Code and ASTM International define Exterior Insulation and Finish System (EIFS) as a non-load-bearing exterior wall cladding system that consists of an insulation board attached either adhesively, mechanically, or both, to the substrate; an integrally reinforced base coat; and a textured protective finish coat.