noise-free operation
81Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
82Massachusetts Bay Transportation Authority — The MBTA provides services in five different modes (boat not pictured) around Greater Boston …
83Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… …
84Punk rock — This article is about the music genre. For the play of the same name, see Punk Rock (play). Punk rock Stylistic origins Rock and roll • folk • rockabilly • ska • surf rock • garage rock • …
85Digital Audio Broadcasting — For other digital audio broadcasting systems, see Digital radio.   Countries with regular services …
86Chevrolet Vega — 1972 Chevrolet Vega GT Hatchback Coupe Manufacturer Chevrolet Division of General Motors Also called Vega 2300 …
87Nurse with Wound list — The Nurse With Wound list The Nurse with Wound list is a list of 291[1] musicians and bands that accompanied Chance Meeting on a Dissecting Table of a Sewing Machine and an Umbrella (1979), the first album by Nurse With Wound. The list was… …
88Battle Cry Campaign — For other uses of Battle Cry, see Battle Cry (disambiguation). Battle Cry logo Part of a series on Teen Mania Ministries Departments …
89Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
90Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
