AT-76800-Maintenance of water drainage pipes - Cleaning the water drainage sewers located on the ceiling of the drug store - Making iron networks at the edges of the warehouse to prevent pigeons from entering the drainage course

الغرض من المنافسة ·AT-76800-Maintenance of water drainage pipes - Cleaning the water drainage sewers located on the ceiling of the drug store - Making iron networks at the edges of the warehouse to prevent pigeons from entering the drainage course