<titlePart> <text>SECTION B <emdash/> PERFORMING OPERATIONS</text> </titlePart> <titlePart> <text>TRANSPORTING</text> </titlePart> LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION Method General operations by centrifugal force, using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force, using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/LIQUID OR SOLID/GAS SEPARATION Method General operations by centrifugal force using centrifuges or free-vortex apparatus using magnetic or electrostatic effect Apparatus General operations by centrifugal force using centrifuges or free-vortex apparatus , using magnetic or electrostatic effect SOLID/SOLID SEPARATION Method Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods Apparatus Dry methods material in bulk Individual sorting Screening, sifting, pneumatic sorting using pneumatic tables or jigs by magnetic or electrostatic effect by centrifugal force using centrifuges or free-vortex apparatus , Wet methods General operations flotation, differential sedimentation screening Combinations Dry methods - wet methods <titlePart> <text>SHAPING</text> </titlePart> <titlePart> <text>WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL</text> </titlePart> <titlePart> <text>NAILING OR STAPLING MACHINES IN GENERAL</text> </titlePart> <titlePart> <text>PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR</text> <entryReference>applying liquids or other fluent materials to surfaces in general <sref ref="B05"/></entryReference> <entryReference>coating wood or similar material <sref ref="B44D"/></entryReference> </titlePart> <titlePart> <text>CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS</text> </titlePart> <titlePart> <text>Damping wood</text> </titlePart> <titlePart> <text>Apparatus</text> </titlePart> <titlePart> <text>Impregnating wood</text> <entryReference>dyeing, staining <sref ref="B27K0005000000"/></entryReference> </titlePart> <titlePart> <text>Processes</text> </titlePart> <titlePart> <text>Apparatus</text> </titlePart> <titlePart> <text>Impregnating in open tanks</text> </titlePart> <titlePart> <text>Sap stream methods</text> </titlePart> <titlePart> <text>Impregnating by pressure</text> </titlePart> <titlePart> <text>Apparatus</text> </titlePart> <titlePart> <text>Impregnating by coating the surface of the wood with an impregnating paste</text> </titlePart> <titlePart> <text>Bandage methods</text> </titlePart> <titlePart> <text>Impregnating involving polymerisation</text> </titlePart> In groups , in the absence of an indication to the contrary, impregnating agents are classified in the last appropriate place. <titlePart> <text>Inorganic impregnating agents</text> </titlePart> <titlePart> <text>Compounds of alkaline earth metals</text> </titlePart> <titlePart> <text>Compounds of alkali metals or ammonium</text> </titlePart> <titlePart> <text>Compounds of zinc or copper</text> </titlePart> <titlePart> <text>Compounds of mercury</text> </titlePart> <titlePart> <text>Compounds of iron, aluminium, or chromium</text> </titlePart> <titlePart> <text>Compounds of arsenic or antimony</text> </titlePart> <titlePart> <text>Compounds of fluorine</text> </titlePart> <titlePart> <text>Mixtures of different inorganic impregnating agents</text> </titlePart> <titlePart> <text>Organic impregnating agents</text> </titlePart> <titlePart> <text>Aliphatic compounds</text> </titlePart> <titlePart> <text>Aromatic compounds</text> </titlePart> <titlePart> <text>halogenated</text> </titlePart> <titlePart> <text>nitrated, or nitrated and halogenated</text> </titlePart> <titlePart> <text>Tar</text> </titlePart> <titlePart> <text>Mineral oil</text> </titlePart> <titlePart> <text>Coal tar</text> </titlePart> <titlePart> <text>Mineral oil</text> </titlePart> <titlePart> <text>Mixtures of different organic impregnating agents</text> </titlePart> <titlePart> <text>Impregnating agents containing mixtures of inorganic and organic compounds</text> </titlePart> <titlePart> <text>Treating of wood not provided for in groups <sref ref="B27K0001000000"/>, <sref ref="B27K0003000000"/></text> </titlePart> <titlePart> <text>Staining or dyeing wood</text> </titlePart> <titlePart> <text>Bleaching wood</text> <entryReference>bleaching wood pulp <sref ref="D21C0009100000"/></entryReference> </titlePart> <titlePart> <text>Combined bleaching or impregnating and drying of wood</text> </titlePart> <titlePart> <text>Softening or hardening wood</text> </titlePart> <titlePart> <text>Chemical or physical treatment of cork</text> <entryReference>mechanical working of cork <sref ref="B27J0005000000"/></entryReference> </titlePart> <titlePart> <text>Chemical or physical treatment of reed, straw, or similar material</text> <entryReference>mechanical working of cane or the like <sref ref="B27J0001000000"/></entryReference> </titlePart>