Manual of practical advice for all who have responsibility for safety in the construction and use of tractors, drafted so as to be as consistent as possible with national and international standards currently in force. Part 1, devoted to construction, contains directives concerning: safety cabs and frames, guards, seats and operating positions, lights, tyres, access, power take-off, noise, exhaust fumes and gases, cooling system, brakes, operating controls, engine and components. Part 2 is devoted to operation (travelling, highway traffic), forestry work, turning and reversing, stopping, use of attached vehicles, operating on sloping grounds, fuelling, fuel storage, garages and maintenance.