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  2. Automatic train operation - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_operation

    Automatic train operation (ATO) is a method of operating trains automatically where the driver is not required or required for supervision at most. [1] Alternatively, ATO can be defined as a subsystem within the automatic train control, which performs any or all of functions like programmed stopping, speed adjusting, door operation, and similar otherwise assigned to the train operator.

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The kilometre (SI symbol: km) is a unit of length in the metric system equal to 1 000 meters (10 3 m). To help compare different orders of magnitude , this section lists lengths between 1 kilometer and 10 kilometers (10 3 and 10 4 meters ).

  4. List of political and geographic subdivisions by total area ...

    en.wikipedia.org/wiki/List_of_political_and...

    This is one of a series of comprehensive lists of continents, countries, and first level administrative country subdivisions such as states, provinces, and territories, as well as certain political and geographic features of substantial area. [1]

  5. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.

  6. Air Traffic Organization - Wikipedia

    en.wikipedia.org/wiki/Air_Traffic_Organization

    The Air Traffic Organization Strategy indicates where the ATO is going, how it's going to get there, who is involved, and how it all fits together. While the ATO has adopted the Strategic Management Process (SMP), a proven business management concept used by high-performing corporations, it is not a fill-in-the-blanks template.

  7. Metric prefix - Wikipedia

    en.wikipedia.org/wiki/Metric_prefix

    For example, 5 km is treated as 5000 m, which allows all quantities based on the same unit to be factored together even if they have different prefixes. A prefix symbol attached to a unit symbol is included when the unit is raised to a power. For example, 1 km 2 denotes 1 km × 1 km = 10 6 m 2, not 10 3 m 2.

  8. List of political and geographic subdivisions by total area ...

    en.wikipedia.org/wiki/List_of_political_and...

    7,000 to 10,000 square kilometers • 5,000 to 7,000 square kilometers • 3,000 to 5,000 square kilometers • 1,000 to 3,000 square kilometers; 250 to 1,000 square kilometers • 0.1 to 250 square kilometers; Other. List of countries and dependencies by area; List of largest empires; List of administrative divisions by country

  9. List of patent claim types - Wikipedia

    en.wikipedia.org/wiki/List_of_patent_claim_types

    This is a list of special types of claims that may be found in a patent or patent application.For explanations about independent and dependent claims and about the different categories of claims, i.e. product or apparatus claims (claims referring to a physical entity), and process, method or use claims (claims referring to an activity), see Claim (patent), section "Basic types and categories".