Vertical constraint
===================
-Vertical constraint fixes lines to lie parallel to the vertical axis.
+Vertical constraint fixes lines as parallel to the vertical axis.
-To create Vertical constraint in the active Sketch:
+To create a Vertical constraint in the active Sketch:
#. select in the Main Menu *Sketch - > Vertical* item or
#. click **Vertical** button in Sketch toolbar:
- **Line** is the line selected in the view.
| After the line is selected it becomes parallel to the vertical axis in the view.
-| **V** sign added above the line.
+| **V** sign is added above the line.
**TUI Command**: *Sketch_1.setVertical(LineObject)*
.. centered::
Vertical constraint created
-**See Also** a sample TUI Script of a :ref:`tui_create_vertical` operation.
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+**See Also** a sample TUI Script of :ref:`tui_create_vertical` operation.
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