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  2. Road surface marking - Wikipedia

    en.wikipedia.org/wiki/Road_surface_marking

    A blue line means bus (or tram) only. Single line: bus-only lane at a rush hour such as 7:00–9:00 and 17:30–19:30 on weekdays; Double line: bus-only lane at additional times such as 5:00–11:0015:00–22:00 on weekdays or double line on several streets means bus-only lane all day, including weekends. Dash line: bus-only lane.

  3. Zigzag - Wikipedia

    en.wikipedia.org/wiki/Zigzag

    The trace of a triangle wave or a sawtooth wave is a zigzag. Pinking shears are designed to cut cloth or paper with a zigzag edge, to lessen fraying. [2] In sewing, a zigzag stitch is a machine stitch in a zigzag pattern. [3] The zigzag arch is an architectural embellishment used in Islamic, Byzantine, Norman and Romanesque architecture. [4] [5]

  4. Zig zag (railway) - Wikipedia

    en.wikipedia.org/wiki/Zig_zag_(railway)

    A railway zig zag or switchback is a railway operation in which a train is required to switch its direction of travel in order to continue its journey. While this may be required purely from an operations standpoint, it is also ideal for climbing steep gradients with minimal need for tunnels and heavy earthworks. [ 1 ]

  5. Comparison of European road signs - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_European...

    A stop line is always represented by a white thick traversal continuous line, but a give way line may be represented by a white thick dashed line as rectangles (Germany, France, Spain) or by a double-dashed line (United Kingdom) or by a white line of triangles (Austria, Italy, Liechtenstein, the Netherlands, Norway, and Switzerland).

  6. Road signs in Singapore - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_Singapore

    The road markings and road dividers are white zig-zag lines that indicate a zebra crossing in the vicinity, similar to the United Kingdom and Republic of Ireland Zebra crossing rules. On approach, regardless of the absence of any pedestrians , all motorists are required to keep left of the divider, prepare to stop and stay in their respective ...

  7. Single-track railway - Wikipedia

    en.wikipedia.org/wiki/Single-track_railway

    A Class 158 DMU on the Kyle of Lochalsh Line, a primarily single-track railway in Scotland A train on the Long Island Rail Road's single-tracked Central Branch A train on the Jinhua–Wenzhou Railway, a single-track railway in Southern Zhejiang Province, China Single track on the Stony Point Line in the Australian state of Victoria

  8. Line (heraldry) - Wikipedia

    en.wikipedia.org/wiki/Line_(heraldry)

    A line wavy (also called undy) [12] is a sine wave, often used to represent water; a line nebuly is similar but with more exaggerated meanders, representing clouds. There are confusing, ambiguous and non-standard uses of a wavy in the military heraldry of the United States to refer to irregularly wavy lines.

  9. Music for Electric Metronomes - Wikipedia

    en.wikipedia.org/wiki/Music_for_Electric_Metronomes

    A dotted line with two or more curves means to make two or more physical sounds of different kinds. A straight, zig-zag line means to make a single sound using an external object like an instrument or machine. A single curved zig-zag line means to make any number of sounds using a single external object.