Ag Mechanics I is just like the title says, the mechanics and principles of Agriculture. Ag Mechanics involves Basic Ag Awareness, Leadership and Employability, Engineering/Mechanics (shop safety, tools,welding, machine repair and operation, buildings and structures, concrete, masonry, irrigation, plumbing, electrical, and basic carpentry), 

Ag Mechanics II - A continuation of Ag Mech I plus more welding, safety and OSHA, power systems, tractors, surveying, plumbing, and fencing