(1) For cause and effect, see 80/20 rule. (2) For batteroes. see 30-80 rule. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.
When buying used phones, it's crucial to pay attention to the 80-30-3 rule, which ensures less frustration and significant cost savings. We'll show you what the 80-30-3 rule is and how it will help ...
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