shielded lead
91boron group element — ▪ chemical elements Introduction any of the five chemical elements constituting Group 13 (IIIa) of the periodic (periodic law) table (see Figure >). The elements are boron (B), aluminum (Al), gallium (Ga), indium (In), an …
92Czechoslovak history — Introduction history of the region comprising the historical lands of Bohemia, Moravia, and Slovakia from prehistoric times through their federation, under the name Czechoslovakia, during 1918–92. With the dissolution of the Czechoslovak… …
93List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history …
94shield´like´ — shield «sheeld», noun, verb. –n. 1. a piece of armor carried on the arm or in the hand to protect the body in battle, used in ancient and medieval warfare. 2. anything used to protect: »He turned up his collar as a shield against the cold wind. A …
95shield´er — shield «sheeld», noun, verb. –n. 1. a piece of armor carried on the arm or in the hand to protect the body in battle, used in ancient and medieval warfare. 2. anything used to protect: »He turned up his collar as a shield against the cold wind. A …
96Computer security — This article is about computer security through design and engineering. For computer security exploits and defenses, see computer insecurity. Computer security Secure operating systems Security architecture Security by design Secure coding …
97Infrared — For other uses, see Infrared (disambiguation). An image of two people in mid infrared ( thermal ) light (false color) …
98Economy of North Korea — Economic centre of North Korea Currency North Korean won Fiscal year …
99Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …
100Second Punic War — Infobox Military Conflict conflict= Second Punic War partof= the Punic Wars caption= Borders of Roman and Punic zone of influence in 218 BC, just prior to the war date= 218 to 201 BC place= Italia, Sicily, Hispania, Cisalpine Gaul, Transalpine… …
