This guide has been developed in partnership with NIMS to aid you in achieving high levels of success on the National Institute for Metalworking Skills (NIMS) Level I certification exams. After receiving technical training, practicing, and demonstrating the competencies, this study guide will help you determine your level of readiness for the actual NIMS certification exam. The registration process, performance exams, and requirements for the online theory exams are explained. Test-taking strategies are also included. Practice tests, answer keys, and explanations provide you with insight into the knowledge and skill area being assessed and serve as an extension of the classroom, lab, and on-the-job training previously received. A glossary of terms is also included.