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Employment record book. An employment record book is an official personal document recording the employment status of its owner over time. Some European countries issue such documents, others did earlier. The first employment record books are said to have been issued in German Reich in 1892 in the mining industry. [1]
The H-1B1 visa (and associated H-1B1 status) is a variant of the H-1B visa in the United States for nationals of Singapore and Chile. The version for Singapore is called the H-1B1-Singapore and the version for Chile is called the H-1B1-Chile. These categories were introduced with the Singapore–United States Free Trade Agreement and Chile–United States Free Trade Agreement respectively ...
In general, there may be several maximal chains containing a given chain. An equivalent form of the Hausdorff maximal principle is that in every partially ordered set, there exists a maximal chain. (Note if the set is empty, the empty subset is a maximal chain.) This form follows from the original form since the empty set is a chain.
One-time pad. A format of one-time pad used by the U.S. National Security Agency, code named DIANA. The table on the right is an aid for converting between plaintext and ciphertext using the characters at left as the key. In cryptography, the one-time pad (OTP) is an encryption technique that cannot be cracked, but requires the use of a single ...
The presidency of William Henry Harrison, who died 31 days after taking office in 1841, was the shortest in American history. [ 6 ] Franklin D. Roosevelt served the longest, over twelve years, before dying early in his fourth term in 1945. He is the only U.S. president to have served more than two terms. [ 7 ]
The number 2,147,483,647 is the eighth Mersenne prime, equal to 2 31 − 1. It is one of only four known double Mersenne primes. [ 1 ] The primality of this number was proven by Leonhard Euler, who reported the proof in a letter to Daniel Bernoulli written in 1772. [ 2 ] Euler used trial division, improving on Pietro Cataldi 's method, so that ...
Meal-Prep Tip: Reserve leftover Roasted Vegetable Soup to have for lunch on Days 6 and 7. Daily Totals: 1,823 calories, 88g fat, 72g protein, 203g carbohydrate, 37g fiber, 2,075mg sodium. Make it ...
Contents. B visa. A B visa is one of a category of non-immigrant visas issued by the United States government to foreign nationals seeking entry for a temporary period. The two types of B visa are the B-1 visa, issued to those seeking entry for business purposes, and the B-2 visa, issued to those seeking entry for tourism or other non-business ...