What new manufacturing classes were created in divisions 28 and 30?

Four new classes in divisions 28 and 30, and one new repair class in division 33, were created in NACE Rev. 2.1 to identify work that the old structure held inside broader classes. Paragraphs 148 and 149 state the creations. The classes are class 28.97, manufacture of additive manufacturing machinery; class 30.13, building of military ships and vessels; class 30.32, manufacture of military air and spacecraft and related machinery; and class 33.18, repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft. The creations do not determine a code for a specific reader.

What does class 28.97 cover?

Paragraph 148 states the creation of class 28.97, manufacture of additive manufacturing machinery, in a single sentence. The explanatory note for the class states the inclusion in one sentence: manufacture of machines for additive manufacturing by metal, plastics, rubber, plaster, cement, ceramic deposits, and similar materials. The list of materials is taken from the note as the manual prints it. The note states no exclusions in the passage printed for the class, but the notes for neighbouring machinery classes exclude additive manufacturing machines to class 28.97, which shows the boundary working from the other side. Classes 28.96, 28.99 and the general machinery classes all point to 28.97 for machines for additive manufacturing, in their exclusion lists.

The creation of the class separates additive manufacturing machinery from the machinery classes that previously held it, principally the plastics and rubber machinery class and the residual special purpose machinery class. The separation follows the manual’s usual principle for a growing technology: when an activity becomes identifiable and significant, it is given its own class, so that statistics can show it separately. The class is new in the sense that the number and title did not exist in NACE Rev. 2. The machines themselves existed, and their manufacture was classified in the broader classes. The new class therefore changes the statistical visibility of the work, not the existence of the work.

What do the military classes cover?

Paragraph 149 states the creation of classes 30.13, 30.32 and 33.18 together. Class 30.13, building of military ships and vessels, is defined by its explanatory note, which includes building of military ships and vessels such as combat ships equipped with offensive and defensive weapons and protective devices against shelling, and building of military floating structures, with examples including aircraft carriers, amphibious warfare and assault ships, cruisers, destroyers, submarines, landing crafts, and tugs for transporting ammunition or mines. The note also includes factory conversion of military ships, vessels and floating structures, and it excludes manufacture of weapons and ammunition to the class stated in the note, factory overhaul of military ship and vessel engines to class 28.11, building of civilian ships to class 30.11, and manufacture of inflatable boats or rafts for pleasure and sport to class 30.12.

Classes 30.32 and 33.18 are stated in paragraph 149 by title only, and section 4 does not reproduce their notes. This guide therefore does not state inclusion lists for those two classes. The titles state the scope in heading form: manufacture of military air and spacecraft and related machinery, and repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft. The notes for the two classes state the inclusions and exclusions in full, and they must be read before either class is quoted. The pairing of a manufacturing class and a repair class for military equipment mirrors the pairing elsewhere in the classification, where manufacture and repair sit in different divisions, and the notes for the neighbouring civilian classes state the boundary between civilian and military work.

How are the new classes listed?

| New class | Title in the manual | Division |

|---|---|---|

| 28.97 | Manufacture of additive manufacturing machinery | 28, manufacture of machinery and equipment not elsewhere classified |

| 30.13 | Building of military ships and vessels | 30, manufacture of other transport equipment |

| 30.32 | Manufacture of military air and spacecraft and related machinery | 30, manufacture of other transport equipment |

| 33.18 | Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft | 33, repair and installation of machinery and equipment |

The table follows paragraphs 148 and 149 and the detailed structure. The division for class 33.18 is stated from the detailed structure, because the class sits in the repair division rather than in the manufacturing division with the other new classes. The table states the titles as the manual prints them. It does not state the correspondence entries for the new classes, because a new class has no exact old counterpart by definition, and the correspondence table records the sources of its content across the old classes that previously held the work.

What does a split not decide?

The titles quoted in this cluster are the titles in the Eurostat manual, in section 4 and in the detailed structure. A title states the heading of a category. This states neither the full content of the category nor that an activity with a name resembling the title belongs in it. The explanatory note governs the content, including the inclusions, exclusions and borderline cases the manual prints for the class. Before quoting the code for any purpose, read the note: a title alone is a heading, not the category.

Where is a split class confirmed?

The confirmation sequence is the note, then the table, then the holder of the record. The note states what the new class contains. The table states how the old class relates to the new classes. For a specific unit, the institute or register states the entry held. No step replaces another.

Read the note for class 28.97 and for class 30.13, read the notes for classes 30.32 and 33.18 before quoting them, and confirm the entry with the institute or register that holds it.