faulty joint
211980s — Eighties redirects here. For the song by Killing Joke, see Eighties (song) …
22Medical error — A medical error may be defined as a preventable adverse effect of care, whether or not it is evident or harmful to the patient. This might include an inaccurate or incomplete diagnosis or treatment of a disease, injury, syndrome, behavior,… …
23List of Mir spacewalks — A view of …
24Demographic estimates of the flight and expulsion of Germans — Flight and expulsion of Germans during and after World War II (demographic estimates) Background …
25bone disease — Introduction any of the diseases or injuries that affect human bones (bone). Diseases and injuries of bones are major causes of abnormalities of the human skeletal system (skeletal system, human). Although physical injury, causing fracture,… …
26Colin Powell — This article is about the American politician. For the English football (soccer) player, see Colin Powell (footballer). General Colin L. Powell KCB MSC …
27international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
28Welding — is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle ) that cools to… …
29Space Shuttle Challenger disaster — For more information about the final mission and crew of the Challenger, see STS 51 L. Space Shuttle Challenger s smoke plume after the in flight breakup that killed all seven crew members …
30List of rail accidents (1950–1999) — List of rail accidents from 1950 to 1999.For historic accidents before 1950, see List of pre 1950 rail accidents .For accidents from 2000 to the present, see List of rail accidents . notoc 1950s 1950* February 17 1950 ndash; Rockville Centre, New …
