This research comprising a handbook of free teaching materials for the industrial arts instructor is pre - pared as an aid to the classroom and shop teacher . There are many teaching aids now available for industrial arts teachers . Comparatively few industrial arts teachers know where to obtain these materials . The primary purpose of this research is to present in form An Annotated Handbook of Teaching Materials for These Instructors . This handbook includes the address , name , source, and description of materials available at no cost
