manual blocks marking
41Magnetic tape data storage — uses digital recording on to magnetic tape to store digital information. Modern magnetic tape is most commonly packaged in cartridges and cassettes. The device that performs actual writing or reading of data is a tape drive. Autoloaders and tape… …
42hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
43Public Land Survey System — Seal of the BLM The Public Land Survey System (PLSS) is a method used in the United States to survey and identify land parcels, particularly for titles and deeds of rural, wild or undeveloped land. Its basic units of area are the township and… …
44art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
45National Tracing Center — The National Tracing Center (NTC) of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is the sole firearms tracing facility in the United States. It provides information to provide federal, state and local law enforcement agencies… …
46ORT — (initials of Rus. Obshestvo Remeslenofo zemledelcheskofo Truda, originally meaning The Society for Handicrafts and Agricultural Work ), organization for the promotion and development by vocational training of skilled trades and agriculture among… …
47Ant — For other uses, see Ant (disambiguation). Ants Temporal range: 130–0 Ma …
48Barcode — For the taxonomic method, see DNA barcoding. A UPC A barcode symbol A barcode is an optical machine readable representation of data, which shows data about the object to which it attaches. Originally barcodes represented data by varying the… …
49technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
50JERUSALEM — The entry is arranged according to the following outline: history name protohistory the bronze age david and first temple period second temple period the roman period byzantine jerusalem arab period crusader period mamluk period …
