Some of the major parts of the training program include-Introduction to measuring & checking instruments. Non-precision linear measurement by using steel rule, depth rule, hook rule & zigzag rule, bit rule, tape etc. Measurement by using firm joint caliper, spring joint caliper, adjustable bevel protractor & combination set etc. Measurement with precision instrument : Vernier calipers- principle & construction, reading a vernier caliper, care & maintenance etc. Vernier Bevel Protractor.