insulation system class
1Sound transmission class — (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International… …
2Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …
3Delta class submarine — Delta IV class nuclear powered ballistic missile submarine. The Delta class (Project 667B) is a class of submarines which formed the backbone of the Soviet and Russian strategic submarine fleet since its introduction in 1973. They carry nuclear… …
4Upholder/Victoria class submarine — The Upholder / Victoria class submarines, also known as the Type 2400 (due to their displacement of 2,400t), are diesel electric Fleet submarines designed in the UK in the late 1970s to supplement the Royal Navy s nuclear submarine force. In 1998 …
5British Rail Class 303 — Infobox EMU name = British Rail Class 303 Blue Train imagesize = 300px caption = A pair of Class 303s in the old, 1980s onwards, Strathclyde Passenger Transport orange livery at Glasgow Central station. ( Photograph with permission of James Howie …
6British Rail Class 378 — Capitalstar London Overground Class 378 No. 378149 at Crystal Palace …
7SR Leader Class — Infobox Locomotive powertype=Steam name = SR/BR Leader Class Robertson, Kevin: The Leader Project: Fiasco or Triumph? (Oxford: Oxford Publishing Company, 2007) ISBN 0860936066] caption = 36001 at Oxted, taken by British Railways designer = Oliver …
8British Rail Class 376 — Electrostar 376015 at Woolwich Arsenal In service 2004 Current Manufacturer Bombardier Transportation …
9Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …
10British Rail Class 70 (diesel) — PowerHaul Freightliner 70001 near Clay Cross Tunnel (Nov. 2009) Power type Diesel electric Builder General Electric / …
