roof load
81T-54/55 — Infobox Weapon name= T 54/55 caption= Polish T 55A, Poznań Citadel Museum of Arms () origin= Soviet Union type= Main battle tank is vehicle= yes is UK= yes service= 1947–present used by= wars= designer= Morozov (T 54), OKB 520 (T 54A and later)… …
82Gyeongju — 경주 …
83Solar air conditioning — refers to any air conditioning (cooling) system that uses solar power. This can be done through passive solar, photovoltaic conversion (sun to electricity), or solar thermal energy conversion. The U.S. Energy Independence and Security Act of… …
84railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
85Dome — For other uses, see Dome (disambiguation). Domal redirects here. For domal consonants , see Retroflex consonant. Dome of St. Peter s Basilica in Rome crowned by a cupola. Designed primarily by Michelangelo, the dome was not completed until 1590 A …
86Solar panel — Photovoltaic module redirects here. For the heat collectors, see Solar thermal collector. An installation of solar panels in rural Mongolia …
87Covered goods wagon — This article is about the European railway wagon. For US practice, see Boxcar. For the Wild West wagon, see Covered wagon. A covered goods wagon or van (US: boxcar) is a railway goods wagon which is designed for the transportation of moisture… …
88PT-76 — Infobox Weapon|is vehicle=yes name=PT 76 caption=PT 76 on display near the Museum of the Great Patriotic War, Kiev. type=Amphibious Light Tank origin=flagcountry|Soviet Union service=16 August 1952 present used by=See Operators wars=See Combat… …
89Structural insulated panel — Structural insulated panels (or structural insulating panels ), SIPs, are a composite building material. They consist of a sandwich of two layers of structural board with an insulating layer of foam in between. The board is usually oriented… …
90Rollover — is a type of vehicle accident, where a vehicle turns over on its side or roof. The main cause for rolling over is turning too sharply while moving too fast. Dynamics The force of inertia (acting in the direction opposite to the one it is turning) …
