Should an employee with knowledge of the matter, rather than this? Because some questions, answer a service in terms of section removed dao. There is a polite, gentle, attentive but not pushy, great.
Should provide employees with knowledge of the product could be better. Because some respondents were asked to guess took part in the service. Be polite, Beaming already
Staff should have knowledge of products to more attention. Because some ask the staff answered a guess. Take part of the service, be polite gentle beaming good.