Final answer:
Examples of email etiquette include using appropriate language, proper grammar and punctuation, and including a subject line, but not writing words in capital letters.
Step-by-step explanation:
Email etiquette or netiquette includes several guidelines to ensure effective and professional communication. Examples of email etiquette include using appropriate language and tone, using proper grammar, punctuation, text fonts, and colors, and including a subject line in emails. However, writing words or sentences in capital letters is not considered good email etiquette as it can imply shouting or being rude.