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  2. Schematic - Wikipedia

    en.wikipedia.org/wiki/Schematic

    A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp, as well as additional ...

  3. Picea engelmannii - Wikipedia

    en.wikipedia.org/wiki/Picea_engelmannii

    Picea engelmannii is a medium-sized to large evergreen tree growing to 25–40 metres (82–131 feet) tall, exceptionally to 65 m (213 ft) tall, and with a trunk diameter of up to 1.5 m (4 ft 11 in). The reddish bark is thin and scaly, [6] flaking off in small circular plates 5–10 centimetres (2–4 in) across. The crown is narrow conic in ...

  4. Spruce - Wikipedia

    en.wikipedia.org/wiki/Spruce

    Spruce is the standard material used in soundboards for many musical instruments, including guitars, mandolins, cellos, violins, and the soundboard at the heart of a piano and the harp. Wood used for this purpose is referred to as tonewood. Spruce, along with cedar, is often used for the soundboard/top of an acoustic guitar. The main types of ...

  5. File:Large Spruce tree, Old Ipswich cemetery.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Large_Spruce_tree...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  6. Picea meyeri - Wikipedia

    en.wikipedia.org/wiki/Picea_meyeri

    Picea meyeri (Meyer's spruce; Chinese: 白杄; pinyin: báiqiān) is a species of spruce native to Nei Mongol in the northeast to Gansu in the southwest and also inhabiting Shanxi, Hebei and Shaanxi. It is a medium-sized evergreen tree growing to 30 m tall, and with a trunk diameter of up to 0.8 m. The shoots are yellowish-brown, glabrous or ...

  7. Spruce-pine-fir - Wikipedia

    en.wikipedia.org/wiki/Spruce-pine-fir

    Black spruce stand at Arctic Chalet, Inuvik, NT Spruce-pine-fir (SPF) is a classification of lumber that can be traded on commodities exchanges.. In Canada, and parts of the United States, most of the spruce tree species, pine tree species, and fir tree species share similar physical and mechanical characteristics, to the point where lumber derived from any of these species are interchangeable ...

  8. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    Once the schematic has been made, it is converted into a layout that can be fabricated onto a printed circuit board (PCB). Schematic-driven layout starts with the process of schematic capture. The result is what is known as a rat's nest. The rat's nest is a jumble of wires (lines) criss-crossing each other to their destination nodes.

  9. Picea koyamae - Wikipedia

    en.wikipedia.org/wiki/Picea_koyamae

    Picea koyamae (Koyama's spruce; Japanese: ヤツガタケトウヒ or やつがたけとうひ yatsugatake-touhi) is a rare spruce, endemic to the Akaishi Mountains and Yatsugatake Mountains in central Honshu, Japan. It is an evergreen tree growing to 25 m (82 ft) tall, with a trunk diameter of up to a metre. It grows in small isolated stands ...