Abstract: A domestic organic waste composter is provided. The composter can include an inlet for receiving organic waste; a grinder for grinding the organic waste; a tank surmounted by the grinder and arranged to contain the organic waste ground by the grinder; a mixer arranged in the tank and configured to mix the ground organic waste contained in the tank; an outlet arranged at the level of a bottom of the tank to recover a potting soil produced by composting the organic waste contained in the tank; and an aeration system configured to generate a circulation of air in the tank from the air inlet towards the air outlet via orifices. The aeration system can include an air inlet containing a fan; the orifices for circulating air in the tank; and an air outlet fluidly coupled to the orifices.

Abstract: Provided is an autonomous lawn mower including: a movable machine body being movable through unmanned driving with moving devices; at least one lawn mowing work unit mounted on the movable machine body; and a machine body cover that covers an upper surface and a peripheral surface of the movable machine body. The at least one lawn mowing work unit includes: a cutting blade; a prime mover configured to drive the cutting blade; at least one ground-contact member, which is located within an area (WB) between the moving devices in a front-and-rear direction, and is configured to prevent contact of the cutting blade with a ground surface; and an adjustment mechanism configured to allow the lawn mowing work unit to be moved upward and downward with respect to the movable machine body. The ground-contact member and the cutting blade are located inside the machine body cover.

Abstract: Harrowing robot for harrowing a soil of an indoor or outdoor animal or sport arena, such as an equestrian soil, comprising a harrowing mechanism, comprising: a breaking element configured to break up the equestrian soil; a drive mechanism configured to move the breaking element between a plurality of positions comprising at least: a first soil engaging position wherein the breaking element is configured to be at a first breaking depth in the soil, and a second soil engaging position wherein the breaking element is configured to be at a second breaking depth in the soil, wherein the first breaking depth differs from the second breaking depth; a control unit configured to control the drive mechanism for moving the breaking element between said plurality of positions.