1: Explain proper etiquette practices when engaging with internal and external customers. Question 2: Describe situations where the practices are different for internal or external customers. Question 3: Describe how this information would be helpful personally, and in your place of work. Question 4: How can these skills (or lack of skills) impact the perception of a co-worker? If it is a lack of skills, how can the negative impact be reversed to improve behavior? Please list sources used