There are 2 ways: 1. use the telephone to communicate will help reduce thunopnakngan to pick up the phone and speed of service. There is also a tape recorder used to record the order of words; 2. send mail to, to understand the details of the data. The scheduled delivery, there must be clarity (Clarity) are complete (Completeness) is a strong and easy-to-understand (Conciseness) is polite (Courtesy) is accurate (Correct)
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