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  2. ANSI/ASME Y14.1 - Wikipedia

    en.wikipedia.org/wiki/ANSI/ASME_Y14.1

    A size chart illustrating the ANSI sizes. In 1992, the American National Standards Institute adopted ANSI/ASME Y14.1 Decimal Inch Drawing Sheet Size and Format, [1] which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in "letter" size to which it assigned the designation "ANSI A".

  3. Oxy-fuel welding and cutting - Wikipedia

    en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

    A rose bud torch is used to heat metals for bending, straightening, etc. where a large area needs to be heated. It is so-called because the flame at the end looks like a rose bud. A welding torch can also be used to heat small areas such as rusted nuts and bolts.

  4. Goodyear Polyglas tire - Wikipedia

    en.wikipedia.org/wiki/Goodyear_Polyglas_tire

    Goodyear Polyglas GT tires were standard equipment on 1970 AMC AMXs [1]. The Goodyear Polyglas tire was a bias-belted tire announced in 1967 by Goodyear. "Polyglas" was a registered trademark. [2]

  5. List of Olympic and Paralympic torch designs - Wikipedia

    en.wikipedia.org/wiki/List_of_Olympic_torch_designs

    The torch resembles the shape of the torches which existed in the 19th Century. The continuity of the flame burning was provided by a special content known as "Tipizir 120/140". Thanks to this, the flame was able to burn for 22 hours non-stop. 61 22.0 1968: Grenoble, France: The torch was made from sheet copper that was covered in bronze.

  6. Lettering guide - Wikipedia

    en.wikipedia.org/wiki/Lettering_guide

    2.5 to 7 millimetres (0.1 to 0.3 in) lettering guides for technical drawings Lettering pens for lettering guide template. A lettering guide template is a special type of template used to write uniform characters. It consists of a sheet of plastic or other material with cut-outs of letters, numbers, and other shapes used especially for creating ...

  7. Poly(methyl methacrylate) - Wikipedia

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

    It is used as a light guide for the backlights in TFT-LCDs. [ 48 ] Plastic optical fiber used for short-distance communication is made from PMMA, and perfluorinated PMMA, clad with fluorinated PMMA, in situations where its flexibility and cheaper installation costs outweigh its poor heat tolerance and higher attenuation versus glass fiber.

  8. Blowtorch - Wikipedia

    en.wikipedia.org/wiki/Blowtorch

    The term "blowtorch" is commonly misused as a name for any metalworking torch, but properly describes the pressurized liquid fuel torches that predate the common use of pressurized fuel gas cylinders. Torches are available in a vast range of size and output power. The term "blowtorch" applies to the obsolescent style of smaller liquid fuel torches.

  9. Glass-filled polymer - Wikipedia

    en.wikipedia.org/wiki/Glass-filled_polymer

    Glass-filled polymer (or glass-filled plastic), is a mouldable composite material.It comprises short glass fibers in a matrix of a polymer material. It is used to manufacture a wide range of structural components by injection or compression moulding. [1]