An employee is an employee who must maintain the image, in the communication. When a customer orders, inquiries, and is talking with the manners, so the contact into the impression occurs.
Restaurant staff are employees to maintain communications in the country. When a customer orders I have a question and talk with me. To contact into an impression.
Restaurant staff employed to image the country in communication, when a ค้ามา order. It must be an inquiry and talk with manners. To make the contact's impression.