Military Grades: E-5 - E7 WO-1 Compatible Military Assignments: GENERAL EXPERIENCE: Experience, education, or training which has provided the applicant with knowledge of one or more classes of equipment. The experience must include knowledge of standard shop terminology. A basic knowledge of mechanical principles relating to equipment. SPECIALIZED EXPERIENCE: Must have at least 24 months experience, education or training which provided knowledge and skill in applying principles, concepts, and methods of equipment design. Experience in the use of tools and test equipment. Experience developing, installing, inspecting or revising equipment maintenance programs and techniques.