QUESTION: Fix punctuation: These service operations are simple to carry out and described in detail in the educational videos available on the website wwwfelcocom
ANS: These service operations are simple to carry out and described in detail in the educational videos available on the website, www.felco.com.

QUESTION: Fix punctuation: 5HTP allergy causes and ways to prevent
ANS: 5HTP allergy: causes and ways to prevent

QUESTION: Fix punctuation: The Danish king refused the ultimatum because complying with it could well provoke an attack by Russia
ANS: The Danish king refused the ultimatum because complying with it could well provoke an attack by Russia.

QUESTION: Fix punctuation: Bandwidth Hero is a free extension for Chrome and Firefox that compresses images before they are sent to the browser that requested them
ANS:
Bandwidth Hero is a free extension for Chrome and Firefox that compresses images before they are sent to the browser that requested them.