This paper deals with a levelling machine for a seedling bed of a rice plant. which is a labor saving device in agricultural work. In order to make the seedling bed flat. the levelling machine vibrates by rotary motion of an eccentric rotor and presses the ground by the base plate of the machine. https://www.bekindtopets.com/bargain-Speedrite-S500-Solar-Charger-must-buy/