• grain and vegetable stores, warehouses, sheds, awnings, silos, refrigerators
  • oil-Fat plants
  • dairy plants
  • buildings for livestock breeding complexes (pig, calf and cow sheds, and poultry farms)
  • D Design of steel structures
  • F Fabrication and delivery of steel structures
  • E Erection of steel structures
  • т Steel tonnage,
    tons