This guide is intended for vocational educators developing the vocational English as a second language (VESL) component of a course in data entry. The introductory section examines assumptions about second language learning and instruction and VESL classes, local adaptations of the curriculum, and sample VESL lessons. The chapter on language competencies lists and cross-references vocational and language competencies. The next chapter provides samples of natural, practical language for each of the competencies identified in the second chapter. The samples are organized into sets according to the following topical areas: identification, function and usage, safety, task performance, clarification and verification, and general employment. Chapter 4, which is devoted to vocational competencies and vocabulary pertaining to the identification and operation of data entry equipment and data entry activities. The fifth chapter lists print materials for data entry and for preemployment ESL, computer software, and materials clearinghouses. Nine appendixes include Bilingual Vocational Training Project abstracts, work English survival competencies, a student performance level document, language needs assessment instruments, ESL activities, applied performance testing activities, a trainee and employer follow-up questionnaire, a general employment skills list, and a grammatical focus index. (MN)