noise reduction requirements
11Sound 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… …
12Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
13TexSys — [http://pavements.ce.utexas.edu/TexSys/ TexSys] is a web based application serving as a Texas Expert System for the selection of Hot Mix Asphalt (HMA). TexSys is the product of a Texas Department of Transportation (TxDOT) study, TxDOT Project 0… …
14Hybrid electric vehicle — The Toyota Prius is the world s top selling hybrid car, with cumulative global sales of 2.36 million units by August 2011.[1] A hybrid electric vehicle (HEV) is a type of hybrid vehicle and electric vehicle which combines a conventional internal …
15Muzzle brake — The muzzle brake of the 105 mm gun on an AMX 10 RC fighting vehicle …
16Airbus A380 — A380 redirects here. For other uses, see A380 (disambiguation). A380 A Singapore Airlines …
17Honda Legend — This page is about this vehicle s Japanese model. See Acura Legend and Acura RL for information on the North American model. Sections of this article are translated from Japanese Wikipedia. Honda Legend …
18Boeing 727 — infobox Aircraft subtemplate=Infobox Boeing Aircraft name = Boeing 727 caption = Syrian Air Boeing 727 269/Adv type = Airliner national origin = United States manufacturer = Boeing Commercial Airplanes designer = first flight = February 9 1963… …
19Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …
20Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
