This learning activity packet (LAP) is one of three that accompany the curriculum guide on grinding machines. It outlines the study activities and performance tasks for the second unit of this curriculum guide. Its purpose is to aid the student in attaining a working knowledge of this area of training and in achieving a skilled or moderately skilled competency level in the performance of jobs associated with this specialty. The course of study in this LAP will help the student become able to set up and operate a surface grinder, select proper composition and shape of grinding wheels, dress grinding wheels, perform flat and angular grinding operations, and be able to use various work-holding and mounting devices. Ten tasks are included in the LAP. Contents are a check list of the learning steps, pretest, assignment sheets, and answer keys for the pretest and assignment sheets. (YLB)