ITI Stone Processing Machine Operator is a simple e-Book for ITI Processing 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, their dimension & decoration, Commercial varieties and different types of textures in stones, simple fitting operations, hacks awing, punching and filing. Marking instruments and their uses. Use of vernier caliper, micrometer, Method of using drills taps.