This document provides tips on communication skills. It discusses varying pitch and signing as ways to change your voice. It suggests waving or shaking hands as ways to greet others from different cultures, and sign language or turning your face away as ways to communicate with deaf people. Engaging an audience through speaking clearly is recommended over PowerPoint or fidgeting. Background noise or other students writing are identified as potential distractions when working. Closed questions like asking about gender are given as an example. Cultural differences and modulating voice are identified as communication principles.