Library: This course is Stage 1, Theory, only, with full access to the Library. The Library has over 38 hours of video content, over 163,000 written words, and many useful resources. Stage 1, Theory. [Certificate Issued upon completion. 6 CE Hours.] Includes all lessons in Stage 1: Lesson 1. [1 CE Hour.] Lesson 2. [1 CE Hour.] Lesson 3. [2 CE Hours.] Lesson 4. [2 CE Hours.] CE Category of this course: Science.