Farm machines are essential tools for agricultural production. TILLERS, which have seven letters, are used to break up soil and prepare it for planting. Balers, with six letters, are used to compress hay or straw into bales, which have five letters. Seeders, with seven letters, are used to spread seeds over a field. Combines, with eight letters, are used to harvest grain crops. Reapers, with seven letters, are used to cut down standing crops. Finally, tractors, with eight letters, are used to pull implements such as plows and harvesters.