laminated beam
61PT boat — PT 105 at high speed PT Boats were a variety of motor torpedo boat (hull classification symbol PT , for Patrol Torpedo ), a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons… …
62List of Cosmic Era warships and spacecraft — This is a list of fictional warships and spacecraft from the Cosmic Era (CE) timeline of the Gundam anime metaseries.Like any military organization, the factions in the Cosmic Era depend on multiple ships to fulfill a wide variety of tasks.… …
63Solid freeform fabrication — (SFF) is a collection of techniques for manufacturing solid objects by the sequential delivery of energy and/or material to specified points in space to produce that solid. SFF is sometimes referred to as rapid prototyping, rapid manufacturing,… …
64History of sound recording — Methods and media for sound recording are varied and have undergone significant changes between the first time sound was actually recorded for later playback until now. Technology Mechanical recording The first devices for recording sound were… …
65Joseph F. Glidden House — Infobox nrhp name = Joseph F. Glidden House caption = The home of the most famous barbed wire inventor, Joseph F. Glidden. locator x = locator y = location = DeKalb, Illinois, DeKalb County, Illinois, USA nearest city = lat degrees = 41 lat… …
66Workbench (woodworking) — A Workbench is a table used by woodworkers to hold workpieces while they are worked by other tools. There are many styles of woodworking benches, each reflecting the type of work to be done or the craftsman s way of working. Most benches have two …
67Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
68Poly(methyl methacrylate) — This article is about the transparent plastic sometimes called acrylic glass. For the glass/plastic laminate often called safety glass , see laminated glass. Poly(methyl methacrylate) …
69Impact crater — The prominent impact crater Tycho on the Moon. In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body. In most common usage,… …
70Underwater archaeology — is the study of past human life, behaviours and cultures using the physical remains found in salt or fresh water or buried beneath water logged sedimentMuckelroy, K., Maritime archaeology. Cambridge University Press 1978. ISBN 0 521 29348 0] . It …
