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2. Window screen - Wikipedia

   en.wikipedia.org/wiki/Window_screen

   The 6.4 mm (1 ⁄ 4 in) and 7.9 mm (5 ⁄ 16 in) sizes are generally used for single hung windows, while the two larger sizes are used for double hung windows. As 9.5 mm ( 3 ⁄ 8 in) is not a common size, the 7.9 mm ( 5 ⁄ 16 in) thickness may be used instead and shimmed as needed.

3. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

4. Rainscreen - Wikipedia

   en.wikipedia.org/wiki/Rainscreen

   These terms have caused confusion as to what a rain screen is but all reflect the rainscreen principle of a primary and secondary line of defense. One technical difference is between a plane (a gap of 3 ⁄ 8 inch (9.5 mm) or less) and a channel (a gap of more than 3 ⁄ 8 inch (9.5 mm)). [citation needed]

5. The Crane Group Companies - Wikipedia

   en.wikipedia.org/wiki/The_Crane_Group_Companies

   The Crane Group Companies (also known as Crane Group) of Columbus, Ohio, USA, is a holding company of operating units primarily involved in the manufacturing and distribution of building products.

6. Weathering steel - Wikipedia

   en.wikipedia.org/wiki/Weathering_steel

   The original A242 alloy has a yield strength of 50 kilopounds per square inch (340 MPa) and ultimate tensile strength of 70 ksi (480 MPa) for light-medium rolled shapes and plates up to 0.75 inches (19 mm) thick. It has yield strength of 46 ksi (320 MPa) and ultimate strength of 67 ksi (460 MPa) for medium weight rolled shapes and plates from 0 ...

7. Insulated glazing - Wikipedia

   en.wikipedia.org/wiki/Insulated_glazing

   A typical installation of insulated glass windows with uPVC frames. Possibly the earliest use of double glazing was in Siberia, where it was observed by Henry Seebohm in 1877 as an established necessity in the Yeniseysk area where the bitterly cold winter temperatures regularly fall below -50 °C, indicating how the concept may have started: [2]