CASE STUDY 1:INTRODUCTIONIn order to prevent Covid-19 from spreading to other people especially elderly and kids, facemask must be use at all time especially in crowded places. Besides other develop country,Malaysia has implemented a mandatory mask-wearing in crowded places since the beginning ofCovid-19 spread. Either the person is in a healthy condition or not, all level of citizens isobligated to wear a face mask. Ask a precautions steps, government has currently suggestedpeople to wear a double face mask to ensure more safety from being affected from Covid-19.PROBLEM STATEMENTWhen wearing a face mask, people cannot see and express their facial expression. It causes anissue for people to show their non-verbal communication to others. Face mask provide a smallblock of their facial expression which could be used to express feelings and emotions. A facialexpression is one of the non-verbal ways that can be used to communicate with others. Withoutfacial expression, it can be a problem for people to interpret the message or information in aninterpersonal communication.Effect of Face Masks on Interpersonal Communication During the COVID-19 PandemicDATA ANALYSISThe issues of this case study are that face mask make it difficult to connect with others.However, it is essential to prevent from Covid-19 from spreading. This issue occurs whenpeople need to include facial expression when communicating with others. A lot of this occurs ata crowded or loud places such as at food court, construction side or any loud noise places. Thiscauses people to use their non-verbal way of communication as verbal communication are noteffectively used. People such as waiter, customer services worker and cashier at shopping mall