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  2. Laser level - Wikipedia

    en.wikipedia.org/wiki/Laser_level

    The concept of a laser level has been around since at least the early 1970s, [2] the original spinning-mirror design laser plane and line level was patented by the late 1980s, [3] and the compact lens-based laser line level (as produced by many tool manufacturers today) was patented in the late 1990s. It was invented by Oscar Soliz in the late ...

  3. Laser (dinghy) - Wikipedia

    en.wikipedia.org/wiki/Laser_(dinghy)

    The Laser hull is 4.19 m (13.75 ft) long, with a waterline length of 3.96 m (12.99 ft). The hull weight is 59 kg (130 lb), which makes the boat light enough to lift onto a car-top rack. [8] The various sizes of Laser are all cat-rigged. The Laser Standard sail has a sail area of 7.06 m 2 (76.0 sq ft). [8]

  4. Laser line level - Wikipedia

    en.wikipedia.org/wiki/Laser_line_level

    A laser line level is a tool combining a spirit level and/or plumb bob with a laser to display an accurately horizontal or vertical illuminated line on a surface the laser line level is laid against. Laser line levels are used wherever accurate verticals and horizontals are required, typically in the construction and cabinetry industries. Some ...

  5. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    A laser warning symbol. Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to permanent eye injuries, the sale and usage of lasers is typically subject to government regulations.

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Theodolite - Wikipedia

    en.wikipedia.org/wiki/Theodolite

    The term transit theodolite, or transit for short, refers to a type of theodolite where the telescope is short enough to rotate in a full circle on its horizontal axis as well as around its vertical axis. It features a vertical circle which is graduated through the full 360 degrees and a telescope that could "flip over" ("transit the scope").