I believe the term you're looking for would be "rules"
send me a message if not true.
The invention of blue LEDs meant that blue, red, and green could all be combined to produce white LED light, which can function as an alternative energy-saving light source.
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Can you give me the options
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Mail merge lets you create a batch of documents that are personalized for each recipient. For example, a form letter might be personalized to address each recipient by name. A data source, like a list, spreadsheet, or database, is associated with the document.
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Morse code was an old way of transmitting information. Its disadvantages were that if any wire was messed up on the cables then the message would never be able to send and also it was really easy for anyone to intercept it.
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