ITI Stone Mining Machine Operator is a simple e-Book for ITI Stone Mining Machine Operator JOB Interview & Apprentice Exam. It contains objective questions with underlined & bold correct answers MCQ covering all topics including all about safety including fire equipments, types of stones, stone strength, chemical composition and physical characteristic, simple fitting operations, hacks awing, punching and filing. Marking instruments and their uses. Use of vernier calliper, micrometer and method of using drills taps and dies, hack saw frameselectrical measuring instruments.