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2. Bicycle - Wikipedia

   en.wikipedia.org/wiki/Bicycle

   In Europe, especially in the Netherlands and parts of Germany and Denmark, bicycle commuting is common. In Copenhagen, a cyclists' organization runs a Cycling Embassy that promotes biking for commuting and sightseeing. The United Kingdom has a tax break scheme (IR 176) that allows employees to buy a new bicycle tax free to use for commuting. [83]

3. Cold-weather biking - Wikipedia

   en.wikipedia.org/wiki/Cold-weather_biking

   An Ottawa bike website states that there is a downside to using oil lubricants: "[o]il lubes are a quick and dirty way to keep your bicycle running in winter, [because] oil doesn’t freeze and it does displace water – thus preventing freezing. However, oil collects a lot of dirt and debris – wearing your bicycle’s components faster."

4. Quick return mechanism - Wikipedia

   en.wikipedia.org/wiki/Quick_return_mechanism

   A quick-return mechanism is a subclass of a slider-crank linkage, with an offset crank. Quick return is a common feature of tools in which the action is performed in only one direction of the stroke, such as shapers and powered saws , because it allows less time to be spent on returning the tool to its initial position.

5. Slider-crank linkage - Wikipedia

   en.wikipedia.org/wiki/Slider-crank_linkage

   These diagrams are drawn to scale in order for easy evaluation and successful design. Basic trigonometry , the practice of analyzing the relationship between triangle features in order to determine any unknown values, can be used with a graphical compass and protractor alongside these diagrams to determine the required stroke or link lengths.

6. Master link - Wikipedia

   en.wikipedia.org/wiki/Master_link

   A master link or quick-release link is a roller chain accessory that allows convenient connection and disconnection of a chain without the need for a chain tool. [1] It acts as a set of the chain's outer plates, so joining two sets of the chain's inner plate ends. Such master links may or may not be re-usable. [2]

7. Continental climate - Wikipedia

   en.wikipedia.org/wiki/Continental_climate

   For example, spring may arrive as soon as March (in Northern hemisphere, September in Southern hemisphere) in the southern (in Northern hemisphere, northern in Southern hemisphere), parts of this zone or as late as May (November) in the north (south). Summers are warm or hot while winters are below freezing and sustain lots of frost.

8. Thermodynamic diagrams - Wikipedia

   en.wikipedia.org/wiki/Thermodynamic_diagrams

   The main feature of thermodynamic diagrams is the equivalence between the area in the diagram and energy. When air changes pressure and temperature during a process and prescribes a closed curve within the diagram the area enclosed by this curve is proportional to the energy which has been gained or released by the air.

9. Quick change (disambiguation) - Wikipedia

   en.wikipedia.org/wiki/Quick_change_(disambiguation)

   Quick change, quick-change or Quick Change may refer to Quick Change, 1990 American comedy film; Quick Change, 2013 Philippine drama film; Quick-change (music), a variation of the twelve-bar blues; Quick-change (performance), a magic trick where a performer will quickly change attire; Quick-change scam, a scammer confuses staff by repeatedly ...