Eighteen units on office duplication practices are presented in this teacher's guide. The unit topics include the following: classroom safety; human relations in the office setting; grooming and hygiene; telephone communications; computing routine math transactions; stencil, fluid, and offset duplication; operating business machines; indexing, alphabetizing, and filing; handling mail; and job application and interview. Each instructional unit generally contains eight components: performance objectives; an outline of minimum instructor and student activities to accomplish unit objectives; information sheets presenting basic unit content; transparency masters; job sheets which outline skills to be achieved; student assignment sheets related to the unit information sheets (answer sheets are provided); and objective tests with answer sheets. (JH)