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  2. Chainsaw safety features - Wikipedia

    en.wikipedia.org/wiki/Chainsaw_safety_features

    The chain has to be properly matched to the guide bar and the saw. Chainsaw manufacturers specify a selection of suitable chains for each model of saw. Best safety requires that the chain is properly sharpened. One key sharpening parameter is the depth gauge setting. The depth gauge is the small steel protubera

  3. Stair nosing - Wikipedia

    en.wikipedia.org/wiki/Stair_nosing

    The nosing is the protrusion beyond the riser when vertical risers are used, or beyond the back of the tread below, when angled risers or no risers are used. Anti-slip strips or nosings may be applied. These stair parts can be manufactured from a variety of materials including aluminum, vinyl, and wood.

  4. Saw chain - Wikipedia

    en.wikipedia.org/wiki/Saw_chain

    Saw chains (and chainsaws generally) are used for cutting wood. This may be for harvesting trees for pulp or timber, for tree surgery , or for processing firewood. Whether for hand-held chainsaws, mechanical timber harvesters or chain mortisers , the saw chain has undergone dramatic development since its invention.

  5. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    The longest stone stairs in Japan are the 3,333-step stairs of the Shakain temple in Yatsushiro, Kumamoto. [52] The second ones, Mount Haguro stone stairs, have 2,446 steps in Tsuruoka, Yamagata . The CN Tower 's staircase reaches the main deck level after 1,776 steps and the Sky Pod above after 2,579 steps; it is the tallest metal staircase on ...

  6. Tactile paving - Wikipedia

    en.wikipedia.org/wiki/Tactile_paving

    A set of yellow truncated domes on the down-ramp in a parking lot. Tactile paving (also called tenji blocks, truncated domes, detectable warnings, tactile tiles, tactile ground surface indicators, tactile walking surface indicators, or detectable warning surfaces) is a system of textured ground surface indicators found at roadsides (such as at curb cuts), by and on stairs, and on railway ...

  7. 'The bane of retail.' To prevent theft, many big chains now ...

    www.aol.com/news/bane-retail-prevent-theft-many...

    "Right now, the best approach in many instances is putting it behind lock and key," Johnston said. "These measures are last-ditch efforts." Read more:Opinion: Grocery stores used to be my happy ...

  8. Inclined plane - Wikipedia

    en.wikipedia.org/wiki/Inclined_plane

    Wheelchair ramp, Hotel Montescot, Chartres, France Demonstration inclined plane used in education, Museo Galileo, Florence.. An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle from the vertical direction, with one end higher than the other, used as an aid for raising or lowering a load.

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