(soundproofing)
31rock wool — noun a light fibrous material used as an insulator • Syn: ↑mineral wool • Hypernyms: ↑insulator, ↑dielectric, ↑nonconductor * * * noun : mineral wool made by blowing a jet of steam through molten rock (as limestone or siliceous rock) or through… …
32Acoustics — is the interdisciplinary science that deals with the study of sound, ultrasound and infrasound (all mechanical waves in gases, liquids, and solids). A scientist who works in the field of acoustics is an acoustician. The application of acoustics… …
33Airliner — The Boeing 747 was the first wide body airliner. Pictured is the 747 8I model which first flew in 2011 …
34DAF Trucks — NV Type Subsidiary of PACCAR since 1996 Industry Manufacturing Founded 1993 (historical 1928) …
35Earth sheltering — is the architectural practice of using earth against building walls for external thermal mass, to reduce heat loss, and to easily maintain a steady indoor air temperature. Earth sheltering is popular in modern times among advocates of passive… …
36Floor — A floor is the walking surface of a room or vehicle. Floors vary from simple dirt in a cave to many layered surfaces using modern technology. Floors may be stone, wood, bamboo, metal, or other material that can hold a person s weight.Floors… …
37Magic Alex — Alexis Yanni Born 2 May 1942 (1942 05 02) (age 69) Athens, Greece Nationality Greek Other names Magic Alex Occupation Electronics engineer, security consultant …
38Definitely Maybe — This article is about the music album. For the 2008 film, see Definitely, Maybe. For other uses, see Definitely Maybe (disambiguation). Definitely Maybe Studio album by Oasis …
39Marlborough College — Coordinates: 51°24′58″N 1°44′13″W / 51.416°N 1.737°W / 51.416; 1.737 For the Vermont college, see Marlboro …
40Cessna 172 — Skyhawk Cessna 172M Role Civil utility aircraft …
