This manual introduces health and safety trainers to the experiences and training needs of workers with limited literacy skills and provides tools and practical tips for developing materials and programs with literacy in mind. Chapter 2 introduces literacy issues through the stories of six workers and links literacy issues with health and safety concerns. Chapter 3 discusses how to link literacy to needs assessment and how to use results to improve materials and training. Chapter 4 describes how to write materials that are easy to read, visually appealing, and use illustrations to help explain the text. Chapter 5 covers using a checklist to evaluate materials, readability formulas, and focus groups to field test materials. Chapter 6 addresses adapting training methods to reach participants with a range of literacy skills. It presents sample activities for nine different participatory training methods, discuses their advantages and disadvantages, and offers tips for using them with literacy in mind. Chapter 7 presents reasons for testing participants' health and safety knowledge and skill level, offers tips for developing a skills assessment, and provides skills assessment models that involve minimal reading and writing. Chapter 8 discusses experimenting with innovative ways to make health and safety information more accessible to workers, advocating for change, and promoting and participating in literacy programs. Resources appear at the end of each chapter. Contains 54 references. (YLB)