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Textbooks written in Pashto distributed to Afghan school children. A textbook is a book containing a comprehensive compilation of content in a branch of study with the intention of explaining it. Textbooks are produced to meet the needs of educators, usually at educational institutions. Schoolbooks are textbooks and other books used in schools.
The efficiency of an engine is defined as ratio of the useful work done to the heat provided. = = where, is the heat absorbed and is the work done. Please note that the term work done relates to the power delivered at the clutch or at the driveshaft.
Production tooling at the factory was scrapped and sold in 2000, to make way for the production of a new four cylinder OHC engine, the remaining old stock of 3.4 L Engines started to be sold as assembled crate engines, these engines had some differences from the 2.5 3.0 and 3.1 L Dagenham built engines such as: Ford Cologne 2.8 / 2.9 V6 forged ...
The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...
The Da Vinci Code is a 2006 mystery thriller film directed by Ron Howard, written by Akiva Goldsman, and based on Dan Brown's 2003 novel of the same name. The first in the Robert Langdon film series , the film stars Tom Hanks , Audrey Tautou , Ian McKellen , Alfred Molina , Jürgen Prochnow , Jean Reno and Paul Bettany .
Abortion-rights protestors in Washington, D.C., on May 14, 2022, as part of the Bans Off Our Bodies protest following the leaked draft opinion overturning Roe v. Wade. Abortion access is expected to be a key topic during the campaign. [145] [18] This is the first presidential election to be held in the aftermath of the 2022 Dobbs v.
Twitch is an American video live-streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and "in real life" streams.
At 25 °C (77°F), solutions with a pH less than 7 are acidic, and solutions with a pH greater than 7 are basic. Solutions with a pH of 7 at 25 °C are neutral (i.e. have the same concentration of H + ions as OH − ions, i.e. the same as pure water). The neutral value of the pH depends on the temperature and is lower than 7 if the temperature ...