Safe Surf rates web pages , which reassures parents of the page content. Do not use a comma to separate two complete thoughts or ideas. This creates a comma splice . Certain actions require explanation, other actions may cause an irrevocable action to be taken. Do not use run-on sentences, which are created when a comma is omitted.
Top Dashes Avoid the dash in technical writing.
However, if you must use the dash, keep the following rules in mind. The most common types used are hyphens and the em-dash. This element is added to indicate a sudden break in thought, to give emphasis or explanation by expanding a phrase occurring in the main clause, to set off a final summarizing clause, or to precede expressions such as that is or namely . For information on hyphens,see Hyphens . Top Emphasis Use emphasis sparingly in technical writing.