Self-propelled trolley for transporting plant troughs across plant table has telescopic bars at either end., allowing its length to be changed, sensors at each end detecting plant troughs and guiding trolley across table

摘要

The self-propelled trolley for transporting plant troughs across a plant table has telescopic bars at either end., allowing its length to be changed. Sensors at each end detect plant troughs and guide the trolley across the table.