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  2. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    In most US cities, a city block is between 1 ⁄ 16 and 1 ⁄ 8 mi (100 and 200 m). In Manhattan, the measurement "block" usually refers to a north–south block, which is 1 ⁄ 20 mi (80 m). Sometimes people living in places (like Manhattan) with a regularly spaced street grid will speak of long blocks and short blocks.

  3. Concrete - Wikipedia

    en.wikipedia.org/wiki/Concrete

    A single concrete block, as used for construction. Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. . Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material

  4. Number - Wikipedia

    en.wikipedia.org/wiki/Number

    For example, 6.849999999999... = 6.85 and 6.850000000000... = 6.85. Finally, if all of the digits in a numeral are 0, the number is 0, and if all of the digits in a numeral are an unending string of 9s, you can drop the nines to the right of the decimal place, and add one to the string of 9s to the left of the decimal place.

  5. Poly(methyl methacrylate) - Wikipedia

    en.wikipedia.org/wiki/Poly(methyl_methacrylate)

    Plasticizers may be added to improve processing properties, lower the glass transition temperature, improve impact properties, and improve mechanical properties such as elastic modulus [27] Dyes may be added to give color for decorative applications, or to protect against (or filter) UV light. Fillers may be substituted to reduce cost.

  6. Microsoft Flight Simulator (2020 video game) - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Flight_Simulator...

    Microsoft Flight Simulator [b] is a flight simulation video game developed by Asobo Studio and published by Xbox Game Studios.It is an entry in the Microsoft Flight Simulator series which began in 1982, and was preceded by Microsoft Flight Simulator X in 2006.

  7. Ø - Wikipedia

    en.wikipedia.org/wiki/Ø

    Ø (or minuscule: ø) is a letter used in the Danish, Norwegian, Faroese, and Southern Sámi languages. It is mostly used to represent the mid front rounded vowels, such as [] ⓘ and [] ⓘ, except for Southern Sámi where it is used as an [oe] diphthong.

  8. Glossary of construction cost estimating - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_construction...

    A markup is added on to the total cost incurred by the producer of a good or service in order to create a profit. Manual labor is physical work done by people involved in construction the project. All of the various trade workers are included in manual labor, including foremen. Means & methods - the means and methods used in executing the work.

  9. St. Louis - Wikipedia

    en.wikipedia.org/wiki/St._Louis

    At 630 feet (190 m), the Gateway Arch is the world's tallest arch and tallest human-made monument in the Western Hemisphere. [49] Built as a monument to the westward expansion of the United States, it is the centerpiece of Gateway Arch National Park which was known as Jefferson National Expansion Memorial until 2018. St. Louis Art Museum