The unit is designed to provide approximately 10 hours of instructional time for learners in grade 3. The primary intent of the unit is to help the learner develop an awareness of sound-extending and sight-extending tools. Four major goals and 18 performance objectives are addressed in the unit. The major topics included in the unit stress: (1) identification of selected sound and sight-extending tools; (2) determination of the function of sound and sight-extending tools; (3) identification of occupations which employ these tools; (4) determination of the value to the individual of observation, practice, and training; and (5) identification of safety hazards and rules in the use of these tools. (Author/VA)