How inspection works Basic hardness testing Tolerances explained Understanding surface finishes and textures Identify surface plate Identify Height Gage Identify indicators Basic use Height Gage Identify outside micrometer Reading the outside micrometer Identify depth micrometer Reading the depth micrometer The In-process inspection report The shop traveler Understanding surface finish symbols Identify Protractor Identify Dial bore Gage Identify 1-2-3 blocks Identify vernier calipers Reading the vernier scale