This color-coded competency-based teacher guide contains three units: (1) oxyacetylene welding; (2) oxyacetylene cutting; and (3) oxyacetylene braze welding and surfacing. Each unit includes the following: objective sheet--unit and specific objectives; suggested activities/instructional plan--preparation, delivery and application, evaluation, teaching suggestions, resources used in developing this unit, suggested supplemental resources, suggested activities, and instructions for evaluating student performance; answers to written test; written test; unit evaluation form; teacher supplement; transparency masters; information sheets; and job sheets. The following general information is provided: use of this publication; competency profile; instructional/task analysis; related academic and workplace skills list; and tools, equipment, and materials lists. (NLA)