Bulletin #2316, Maine Farm Safety Program: Dangers of Agricultural Machinery (PDF) By Dawna L. Cyr, Farm Safety Project Assistant, and Steven B. Johnson, Ph.D., Extension Crops Specialist For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Table of Contents: Shear Points Pinch Points Wrap Points Crush