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A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
B01
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SEPARATINGMIXING
B01
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B02
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CRUSHING, PULVERISING, OR DISINTEGRATINGPREPARATORY TREATMENT OF GRAIN FOR MILLING
B03
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SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGSMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDSSEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS [5]
B04
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CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B05
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SPRAYING OR ATOMISING IN GENERALAPPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL [2]
B06
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GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B07
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SEPARATING SOLIDS FROM SOLIDSSORTING
B08
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CLEANING
B09
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DISPOSAL OF SOLID WASTERECLAMATION OF CONTAMINATED SOIL [3, 6]
B21
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SHAPING
B21
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MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIALPUNCHING METAL
B22
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CASTINGPOWDER METALLURGY
B23
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MACHINE TOOLSMETAL-WORKING NOT OTHERWISE PROVIDED FOR
B24
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GRINDINGPOLISHING
B25
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HAND TOOLSPORTABLE POWER-DRIVEN TOOLSHANDLES FOR HAND IMPLEMENTSWORKSHOP EQUIPMENTMANIPULATORS
B26
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HAND CUTTING TOOLSCUTTINGSEVERING
B27
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WORKING OR PRESERVING WOOD OR SIMILAR MATERIALNAILING OR STAPLING MACHINES IN GENERAL
B28
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WORKING CEMENT, CLAY, OR STONE
B29
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WORKING OF PLASTICSWORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B30
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PRESSES
B31
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MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPERWORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B32
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LAYERED PRODUCTS
B33
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ADDITIVE MANUFACTURING TECHNOLOGY [2015.01]
B41
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PRINTING
B41
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PRINTINGLINING MACHINESTYPEWRITERSSTAMPS [4]
B42
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BOOKBINDINGALBUMSFILESSPECIAL PRINTED MATTER
B43
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WRITING OR DRAWING IMPLEMENTSBUREAU ACCESSORIES
B44
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DECORATIVE ARTS
B60
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TRANSPORTING
B60
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VEHICLES IN GENERAL
B61
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RAILWAYS
B62
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LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B63
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SHIPS OR OTHER WATERBORNE VESSELSRELATED EQUIPMENT
B63B
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SHIPS OR OTHER WATERBORNE VESSELSEQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J 2/00; floating substructures as supports of dredgers or soil-shifting machines E02F 9/06) [2]
B63B 1/00
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Hydrodynamic or hydrostatic features of hulls or of hydrofoils (hulls peculiar to submarines B63B 3/13; keels B63B 3/38) [1, 2006.01]
B63B 3/00
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Hulls characterised by their structure or component parts (non-metallic hulls B63B 5/00;  designing, building, maintaining or repairing methods B63B 71/00-B63B 83/00) [1, 2006.01]
B63B 5/00
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Hulls characterised by their construction of non-metallic material [1, 2006.01]
B63B 7/00
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Collapsible, foldable, inflatable or like vessels (collapsible, foldable or inflatable water sports boards B63B 32/53;  collapsible, foldable or inflatable canoes, kayaks or the like B63B 34/23;  foldable pontoons B63B 35/36) [1, 2006.01, 2020.01]
B63B 11/00
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Interior subdivision of hulls (bulkhead space construction B63B 3/56) [1, 2006.01]
B63B 13/00
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Conduits for emptying or ballastingSelf-bailing equipmentScuppers [1, 2006.01]
B63B 15/00
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SuperstructuresArrangements or adaptations of masts [1, 2006.01]
B63B 17/00
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Vessels parts, details, or accessories, not otherwise provided for [1, 2006.01]
B63B 19/00
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Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers (scuppers B63B 13/00; arrangements of watertight doors in bulkheads B63B 43/24) [1, 2006.01]
B63B 21/00
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Tying-upShifting, towing, or pushing equipmentAnchoring (dynamic anchoring B63H 25/00; equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. for landing purposes, E02B) [1, 4, 2006.01]
B63B 22/00
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Buoys (means for indicating the location of underwater objects B63C 7/26; life-buoys, e.g. rings, B63C 9/08) [4, 2006.01]
B63B 23/00
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Equipment for handling lifeboats or the like [1, 2006.01]
B63B 25/00
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Load-accommodating arrangements, e.g. stowing or trimmingVessels characterised thereby (fishing vessel fish holds B63B 35/24; trimming otherwise than by cargo division. e.g. by use of ballast, B63B 43/06, B63B 43/08) [1, 2006.01]
B63B 27/00
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Arrangement of ship-based loading or unloading equipment for cargo or passengers (self-discharging barges or lighters B63B 35/30; floating cranes B66C 23/52) [1, 3, 2006.01]
B63B 29/00
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Accommodation for crew or passengers not otherwise provided for [1, 2006.01]
B63B 32/00
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Water sports boardsAccessories therefor [2020.01]
B63B 34/00
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Vessels specially adapted for water sports or leisureBody-supporting devices specially adapted for water sports or leisure (water sports boards B63B 32/00; swimming frameworks A63B 35/00; propulsion arrangements actuated by muscle power B63H 16/00) [2020.01]
B63B 35/00
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Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for [1, 5, 2006.01, 2020.01]
B63B 35/03
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Pipe-laying vessels [5, 2006.01]
B63B 35/04
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Cable-laying vessels [1, 5, 2006.01]
B63B 35/06
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. . for moving cable-ends from ship to shore [1, 5, 2006.01]
B63B 35/08
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Ice-breakers [1, 5, 2006.01]
B63B 35/10
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. . having forced pitching or rolling equipment [1, 5, 2006.01]
B63B 35/12
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. . having ice-cutters [1, 5, 2006.01]
B63B 35/14
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Fishing vessels [1, 5, 2006.01]
B63B 35/16
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. . Trawlers [1, 5, 2006.01]
B63B 35/18
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. . . adapted to dragging nets aboard [1, 5, 2006.01]
B63B 35/20
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. . . adapted to hoisting nets aboard [1, 5, 2006.01]
B63B 35/22
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. . Whale catchersWhale factory vessels [1, 5, 2006.01]
B63B 35/24
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. . Fish holds [1, 5, 2006.01]
B63B 35/26
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. . . for live fish [1, 5, 2006.01]
B63B 35/28
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Barges or lighters [1, 5, 2006.01]
B63B 35/30
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. . self-discharging [1, 5, 2006.01]
B63B 35/32
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for collecting pollution from open water [1, 5, 2006.01]
B63B 35/34
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Pontoons [1, 5, 2006.01]
B63B 35/36
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. . foldable [1, 5, 2006.01]
B63B 35/38
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. . Rigidly-interconnected pontoons [1, 5, 2006.01]
B63B 35/40
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for transporting marine vessels [1, 5, 2006.01]
B63B 35/42
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. . with adjustable draught [1, 5, 2006.01]
B63B 35/44
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Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices [1, 5, 2006.01]
B63B 35/50
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Vessels or floating structures for aircraft (aircraft carriers B63G 11/00) [1, 5, 2006.01]
B63B 35/52
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. . Nets, slipways or the like, for recovering aircraft from the water [1, 5, 2006.01]
B63B 35/53
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. . Floating runways [3, 5, 2006.01]
B63B 35/54
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Ferries [1, 5, 2006.01]
B63B 35/56
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Lightships (marking of navigational route with anchored lightships B63B 51/02) [1, 5, 2006.01]
B63B 35/58
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Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user (life-rafts or the like B63C 9/02) [1, 4, 5, 2006.01]
B63B 35/607
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. . having a platform or floor below the level of the buoyancy means, e.g. suspended basket type [4, 5, 2006.01]
B63B 35/613
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. . with tubular shaped flotation members [4, 5, 2006.01]
B63B 35/62
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. . formed from logs or the like [4, 5, 2006.01]
B63B 35/66
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Tugs [1, 5, 2006.01]
B63B 35/68
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. . for towing [1, 5, 2006.01]
B63B 35/70
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. . for pushing [1, 5, 2006.01]
B63B 39/00
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Equipment to decrease pitch, roll, or like unwanted vessel movementsApparatus for indicating vessel attitude [1, 2006.01]
B63B 41/00
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Drop keels, e.g. centre boards or side boards [1, 2006.01]
B63B 43/00
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Improving safety of vessels, e.g. damage control, not otherwise provided for [1, 2006.01]
B63B 45/00
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Arrangements or adaptations of signalling or lighting devices (life-buoys, life-belts, life-jackets, life-suits or the like, characterised by signalling means B63C 9/20) [1, 4, 2006.01]
B63B 49/00
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Arrangements of nautical instruments or navigational aids [1, 2006.01]
B63B 51/00
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Marking of navigational routes otherwise than with buoys [1, 4, 2006.01]
B63B 57/00
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Tank cleaning specially adapted for vessels [1, 2006.01]
B63B 59/00
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Hull protection specially adapted for vesselsCleaning devices specially adapted for vessels [1, 2006.01]
B63B 69/00
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Equipment for shipping not otherwise provided for [2013.01]
B63B 71/00
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Designing vesselsPredicting their performance [2020.01]
B63B 73/00
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Building or assembling vessels or marine structures, e.g. hulls or offshore platforms [2020.01]
B63B 75/00
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Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms [2020.01]
B63B 77/00
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Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms [2020.01]
B63B 79/00
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Monitoring properties or operating parameters of vessels in operation [2020.01]
B63B 81/00
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Repairing or maintaining vessels [2020.01]
B63B 83/00
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Rebuilding or retrofitting vessels, e.g. retrofitting ballast water treatment systems [2020.01]
B63B 85/00
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Dismantling or scrapping vessels [2020.01]
B63C
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LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELSLIFE-SAVING IN WATEREQUIPMENT FOR DWELLING OR WORKING UNDER WATERMEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS (floating nets, floating slipways, or the like for recovering aircraft from the water B63B 35/52)
B63G
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OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELSMINE-LAYINGMINE-SWEEPINGSUBMARINESAIRCRAFT CARRIERS (means of attack or defence in general, e.g. turrets, F41H)
B63H
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MARINE PROPULSION OR STEERING (propulsion of air-cushion vehicles B60V 1/14; specially adapted for submarines, other than nuclear propulsion, B63G;  specially adapted for torpedoes F42B 19/00)
B63J
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AUXILIARIES ON VESSELS
B64
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AIRCRAFTAVIATIONCOSMONAUTICS
B65
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CONVEYINGPACKINGSTORINGHANDLING THIN OR FILAMENTARY MATERIAL
B66
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HOISTINGLIFTINGHAULING
B67
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OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERSLIQUID HANDLING
B68
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SADDLERYUPHOLSTERY
B81
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MICROSTRUCTURAL TECHNOLOGYNANOTECHNOLOGY
B81
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MICROSTRUCTURAL TECHNOLOGY [7]
B82
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NANOTECHNOLOGY [7]
B99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY

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