What are the advantages and disadvantages of paddy field levelers?

Advantages: Suitable for mechanical transplanting. Disadvantages: Prone to malfunction.
Paddy field levelers can level the field, especially suitable for mechanical transplanting. Make the slurry layer fine and uniform, with less seepage and leakage, saving more than 60% of water. The disadvantage is that it is used in a relatively harsh farmland environment and is prone to malfunction.
When using a paddy field leveler, you need to determine the land conditions and pay attention to the mechanical walking path to avoid accidents.