| B | SK | PERFORMING OPERATIONS; TRANSPORTING |
| B01 | USK | SEPARATING; MIXING |
| B01 | KL | PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL |
| B02 | KL | CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING |
| B03 | KL | SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS [5] |
| B04 | KL | CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES |
| B05 | KL | SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL [2] |
| B06 | KL | GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL |
| B07 | KL | SEPARATING SOLIDS FROM SOLIDS; SORTING |
| B08 | KL | CLEANING |
| B09 | KL | DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL [3, 6] |
| B21 | USK | SHAPING |
| B21 | KL | MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL |
| B22 | KL | CASTING; POWDER METALLURGY |
| B23 | KL | MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR |
| B24 | KL | GRINDING; POLISHING |
| B25 | KL | HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS |
| B26 | KL | HAND CUTTING TOOLS; CUTTING; SEVERING |
| B27 | KL | WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL |
| B28 | KL | WORKING CEMENT, CLAY, OR STONE |
| B29 | KL | WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL |
| B30 | KL | PRESSES |
| B31 | KL | MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER |
| B32 | KL | LAYERED PRODUCTS |
| B33 | KL | ADDITIVE MANUFACTURING TECHNOLOGY [2015.01] |
| B41 | USK | PRINTING |
| B41 | KL | PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS [4] |
| B42 | KL | BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER |
| B43 | KL | WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES |
| B44 | KL | DECORATIVE ARTS |
| B60 | USK | TRANSPORTING |
| B60 | KL | VEHICLES IN GENERAL |
| B61 | KL | RAILWAYS |
| B62 | KL | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS |
| B63 | KL | SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT |
| B64 | KL | AIRCRAFT; AVIATION; COSMONAUTICS |
| B65 | KL | CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL |
| B66 | KL | HOISTING; LIFTING; HAULING |
| B67 | KL | OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING |
| B68 | KL | SADDLERY; UPHOLSTERY |
| B81 | USK | MICROSTRUCTURAL TECHNOLOGY; NANOTECHNOLOGY |
| B81 | KL | MICROSTRUCTURAL TECHNOLOGY [7] |
| B82 | KL | NANOTECHNOLOGY [7] |
| B99 | KL | SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01] |