Tec 40 Instructor Materials Crewpak: Includes PADI TecDiver Instructor Manual, PADI Tec Guide to Teaching, TecBasics Quick Review / Answer Key (PDF), Tec 40 QuickReview / Answer Key (PDF), Tec 40 Exam/AnswerSheet/Answer Key (PDF), Tec Basics and 40 InstructorWetbook (PDF)