foam core sheet
31Wakeskating — is a new watersport and is an adaptation of wakeboarding that employs a similar design of board manufactured from maple or from fibreglass. Unlike wakeboarding, the rider is not bound to the board in any way, which gives the sport its own unique… …
32Sandwich structured composite — A Sandwich structured composite is a special class of composite materials that is fabricated by attaching two thin but stiff skins to a lightweight but thick core. The core material is normally low strength material, but its higher thickness… …
33Cushioning — Package cushioning is used to help protect fragile items during shipment. It is common for a transport package to be dropped, kicked, and impacted: These events may produce potentially damaging shocks. Transportation vibration from conveyors,… …
34Bass trap — Bass Traps are acoustic absorbers or sound baffles which have the ability to capture low frequency sound. Bass traps are used to provide acoustic absorptive treatment in rooms and are common tools used in architectural acoustics. Bass traps are… …
35Bass drum — The drum kit …
36Criticism of the Space Shuttle program — stems from claims that NASA s Shuttle program has failed to achieve its promised cost and utility goals, as well as design, cost, management, and safety issues.[1] More specifically, it has failed in the goal of reducing the cost of space access …
37United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
38Electromagnetic shielding — cages inside a disassembled mobile phone. Electromagnetic shielding is the process of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive and/or magnetic materials. Shielding is typically applied… …
39Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
40Snowboard — A snowboard is a thin, hourglass shaped board ridden down a sloped section of earth covered in snow. It is often thought of as the winter equivalent of a wakeboard, as the rider s feet are bound to the board via bindings. Snowboards generally… …
