Engineering drawing drawing on A3 may be enlarged to A2 or reduced to A4. The U.S. customary "A-size" corresponds to "letter" size, and "B-size" corresponds to "ledger" or "tabloid" size. There were also once British paper sizes, which went by names rather than alphanumeric designations. American Society of Mechanical Engineers (ASME) ANSI/ASME Y14.1, Y14.2, Y14.3, and Y14.5 are commonly referenced standards in the U.S. Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for an object. With the goals of legibility and uniformity, styles are standardized and
National security letter individuals with whom the subject of the investigation had communicated. According to a September 9, 2007, "New York Times" report, In many cases, the target of a[n FBI] national security letter whose records are being sought is not necessarily the actual subject of a terrorism investigation. Under the USA PATRIOT Act, the FBI must assert only that the records gathered through the letter are considered relevant to a terrorism [or counterintelligence] investigation. In April 2008, the American Civil Liberties Union alleged that the military was using the FBI to skirt legal restrictions on domestic surveillance to obtain private records of