This guide, which is one of the curriculum guides in the "Exploration Curriculum Development Initiative" (Exploration) series intended to assist junior high and middle school industrial educators in helping their students explore diverse industrial situations and technologies used in industry, deals with using the language of industry. The following topics are covered in the individual lessons: introduction to drafting (drafting applications and the communication process); sketching single-view, pictorial, and multiview drawings; reading multiview drawings; developing an architectural floor plan (architectural drawing and procedures for developing a floor plan); reading an architectural floor plan (reading plans and identifying positive features and flaws in them); sketching a schematic diagram (symbols used in schematic diagrams and sketching procedures); reading schematic diagrams; sketching graphs and charts; and reading graphs and charts. The guide includes the rationale behind its development, hints to the teacher, lesson plans, student handout masters, teacher aids, a unit examination, and a list of references. The lesson plans include cross-referenced lists of objectives, lesson content, and learning activities. (MN)