control cross-section
121Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
122Amanita muscaria — A. muscaria showing various growth stages Scientific classification …
123Human rights in the Democratic Republic of the Congo — In all areas of the Democratic Republic of the Congo, the human rights record remained poor, and numerous serious abuses were committed. Unlawful killings, disappearances, torture, rape, and arbitrary arrest and detention by security forces… …
124climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
125radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …
126UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
127Hafnium — lutetium ← hafnium → tantalum Zr ↑ Hf ↓ Rf …
128Ku Klux Klan — KKK redirects here. For other uses, see KKK (disambiguation). Ku Klux Klan Ku Klux Klan rally, Gainesville, Florida, December 31, 1922 …
