Subjects: farm building; pits, cellars and silos; fire protection; machinery; engines; land clearance; soil and crop preparation; machines for harvesting and storing produce; woodworking and metalworking machines; hoisting and transport equipment; pressure vessels; hand tools, implements and ladders; vehicles; animals; dangerous substances; electricity; handling goods; personal protective equipment; hygiene; medical aid; accomodation and feeding; farm safety and health organization, etc.