page_title: Glossary of bowling
section_title: Numerical
hierarchical_section_title: Glossary of bowling / Numerical
caption_attribution_description: English: Scale diagram of ten-pin bowling lane and approach--WITH measurements included. Items are as close to scale as possible, though there is some round-off error due to two-digit-to-right-of-decimal-point limitation in Microsoft Powerpoint 2008. Sourcing for measurements may be found at USBC (bowl.com); direct link is in footnote below: United State Bowling Congress (USBC) (February 2012). "USBC Equipment Specifications and Certifications Manual" (PDF). bowl.com. pp. 26–29. Archived from the original on December 28, 2018.&#91;1&#93;
context_page_description: 180: A pinsetter malfunction in which the sweep bar is stuck at the back of the lane, halfway through a pinsetter cycle.
  270: A pinsetter malfunction in which the pin sweep is stuck at the front of the pin deck and the setter is unable to lower the next set of pins. In some bowling establishments, this malfunction is incorrectly referred to as 180.
context_section_description: 180: A pinsetter malfunction in which the sweep bar is stuck at the back of the lane, halfway through a pinsetter cycle.
  270: A pinsetter malfunction in which the pin sweep is stuck at the front of the pin deck and the setter is unable to lower the next set of pins. In some bowling establishments, this malfunction is incorrectly referred to as 180.
caption: Spots (at 6 feet), arrows (at 15 feet), and downlane markers (at about 34-43 feet) can be used for targeting (aiming).
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