This document provides tips and advice for public speaking from Janaína Mendes, a speech therapist. It discusses preparing for presentations, including knowing your audience and time limits, organizing your speech, using objectives and support, and being creative with media and visual aids. It also covers vocal hygiene, elements of paralanguage like intonation and speed, and overcoming fears of public speaking through practice and relaxation techniques. The overall message is that preparation, practice, and focusing on your audience are keys to effective oral communication and presentations.