Definition / Belongs to this divisionThis division includes:
- manufacture of industrial refrigerating or freezing equipment, including their parts and components
- manufacture of air conditioning equipment (including vehicles)
- manufacture of non-domestic ventilation equipment (fans)
- manufacture of heat exchangers
- manufacture of air or gas liquefaction equipment
- manufacture of ceiling and facade ventilation equipment (gable, roof fan, etc.)
It does not belong to this sectorThis division excludes:
- manufacture of household refrigerating and freezing equipment, see 27.51
- manufacture of household fans, see 27.51
It does not belong to this branch - Hungarian supplementThis division excludes - Hungarian supplement:
- the heat pump, see 28.21

Definition / Belongs to this divisionThis division includes:
- manufacture of fertilizers:
- individual and complex nitrogen, phosphorus and potassium fertilizers
- urea, natural crude phosphate and salts of natural crude potassium
- manufacture of nitrogen products related to the fertilizer industry:
- nitric acid and sulpho-nitric acid, ammonia, ammonium chloride, potassium nitrites and nitrates, triammonium phosphate and ammonium carbonate
also belongs to this sectorThis division also includes:
- production of potting soil, as the main ingredient, from peat
- production of mixed potting soil, from peat, natural earth, sand, clay and minerals
It does not belong to this sectorThis division excludes:
- extraction of guano, see 08.91
- manufacture of agrochemicals (eg plant protection products), see 20.20

Definition / Belongs to this divisionThis division includes:
- wine production
- production of sparkling wine and sparkling wine
- production of wine from grape must concentrate
also belongs to this sectorThis division also includes:
- blending, purification and bottling of wine
- the production of non-alcoholic grape wine or with low alcohol content
It belongs to this branch - Hungarian supplementThis division includes - Hungarian supplement:
- production of must, must concentrate, refined must concentrate
It does not belong to this sectorThis division excludes:
- distillation of grape marc, see 11.01
- bottling and labeling of spirit drinks separate from production, see 46.34 (if the activity is wholesale) and 82.92 (if paid or contracted)