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  2. Roof pitch - Wikipedia

    en.wikipedia.org/wiki/Roof_pitch

    Display of roof pitches 1:12 through 18:12 A roof made of thatch, one of the oldest roofing materials, needs a steep pitch to drain properly Some types of stone roof have a very restrictive roof pitch, which can lead to leaking Working on roofs with pitches too steep for safety requires a staging of scaffolding boards secured with roof brackets A pitch gauge measuring the slope of an asphalt ...

  3. Tree height measurement - Wikipedia

    en.wikipedia.org/wiki/Tree_height_measurement

    A pole is generally used to measure the remaining height of the tree. The climber pulls up an extendable pole and uses it to reach to the top of the tree from the point at the upper end of the tape. If not vertical, the slope of the leaning pole is measured and the length of the pole is measured.

  4. List of roof shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_roof_shapes

    Bell-cast (sprocketed, flared): A roof with the shallow slope below the steeper slope at the eaves. Compare with bell roof. East Asian hip-and-gable roof; Mokoshi: A Japanese decorative pent roof; Pavilion roof : A low-pitched roof hipped equally on all sides and centered over a square or regular polygonal floor plan. [10]

  5. Lean-to - Wikipedia

    en.wikipedia.org/wiki/Lean-to

    A lean-to is originally defined as a structure in which the rafters lean against another building or wall, also referred to in prior times as a penthouse. [2] These structures characteristically have shed roofs, also referred to as "skillions", or "outshots" and "catslides" when the shed's roof is a direct extension of a larger structure's.

  6. Shed roof - Wikipedia

    en.wikipedia.org/wiki/Shed_roof

    Shed roof attached to a barn. A shed roof, also known variously as a pent roof, lean-to roof, outshot, catslide, skillion roof (in Australia and New Zealand), and, rarely, a mono-pitched roof, [1] is a single-pitched roof surface. This is in contrast to a dual- or multiple-pitched roof.

  7. Deflection (engineering) - Wikipedia

    en.wikipedia.org/wiki/Deflection_(engineering)

    Deflection (f) in engineering. In structural engineering, deflection is the degree to which a part of a long structural element (such as beam) is deformed laterally (in the direction transverse to its longitudinal axis) under a load.

  8. Backlash (engineering) - Wikipedia

    en.wikipedia.org/wiki/Backlash_(engineering)

    As a rule of thumb the average backlash is defined as 0.04 divided by the diametral pitch; the minimum being 0.03 divided by the diametral pitch and the maximum 0.05 divided by the diametral pitch. [3] In metric, you can just multiply the values with the module: = In a gear train, backlash is cumulative. When a gear-train is reversed the ...

  9. Inclinometer - Wikipedia

    en.wikipedia.org/wiki/Inclinometer

    Measuring the slope angle of a tape or chain during distance measurement. Measuring the height of a building, tree, or other feature using a vertical angle and a distance (determined by taping or pacing), using trigonometry. Measuring the angle of drilling in well logging. Measuring the list of a ship in still water and the roll in rough water.

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