The correct answer is to smile at the correct time.

• Communication is a key element in building healthy relationships.
• When we talk to our co-workers, we must smile at the correct time.
  • ​This acknowledges co-worker's presence and shows positivity in the communication.
  • This also indicates that you are engaged in the communication process.
• Ways of making communication effective with co-workers:
  • Face-to-face communication
    • It is more personal than any other type of communication.
    • One can easily and openly discuss his worries, happiness, problems, etc. 
  • Listen
    • When a co-worker speaks, it becomes necessary to give him enough attention and listen to it carefully.
    • This will indicate your care towards your co-worker.
  • Make eye contact
    • This shows that you are paying attention to the speaker's words.
  • Participate in the conversation
    • Both the co-worker and you actively participate in the process of communication.
    • If any differences arise then sort them with respect.
  • Speak calmly
    • Always speak calmly whenever your turn arises to speak.
    • The choice of words must be correct.
  • Acknowledge their time
    • When you acknowledge your co-workers' time, then it shows that you care about his ideas.
• Advantages of effective communication with co-workers
  • It helps in resolving conflicts in the organization.
  • It initiates new ideas and creativity.
  • It increases the efficiency of the employees.
  • Mutual co-operation increases.
  • It helps in boosting the morale of the employees.