Simple categories matching usable:

• item,
• apparatus,
• format,
• information,
• material,
• compound,
• entity,
• furniture,
• plaything,
• liquid,
• equipment,
• component,
• energy,
• article,
• location,
• resource,
• suggestion,
• object,
• computer,
• state,
• product,
• symbol,
• area,
• part,
• fuel,
• stuff,
• fraction,
• power,
• salt,
• commodity,
• feature,
• condition,
• form,
• artifact,
• space,
• shape,
• building,
• medium,
• structure,
• waste,
• system,

Members with property usable:

• furniture,
• cane,
• sheet_rock,
• chair,
• chest,
• soluble_protein,
• bed,
• computer,
• methane_gas,
• book,
• hat,
• metal_salt,
• soap,
• rear_axle,
• gold,
• plastic,
• hardwood_floor,
• roll,
• appliance,
• clothing,
• bowls,
• city,
• service_reminder,
• utility,
• salt,
• napkin,
• green_space,
• chemical,
• electricity,
• pen,
• calendar,
• purse,
• printer,
• diskette,
• decorative_rock,
• candle,
• fatty_acid,
• office_paper,
• cis_unit,
• vase,
• architectural_elements,
• tv,
• glass,
• paper,
• household_utensil,
• cooking_implement,
• towel,
• handle,
• stone,
• den,
• printer_ink,
• skin,
• cd,
• pacifier,
• weapon,
• battery,
• office,
• box,
• shoe_rack,
• bookcase,
• equation,
• carbon,
• equipment,
• pellet,
• magnet,
• belt,
• health_information,
• cabinet,
• instrumentation,
• trough,
• building,
• lab,
• office_equipment,
• statistical_information,
• hard_drive,
• trivet,
• image,
• gasoline,
• spread_sheet,
• bathroom,
• cell_sheet,
• workshop_machine,
• scarf,
• windows,
• garden_item,
• petroleum_product,
• certain_metal,
• apron,
• interior_room,
• fixed_gun,
• photo_frame,
• door,
• cpu,
• sock,
• fitting,
• oil,
• fan,
• table,
• household_item,
• glassware,
• central_processor,
• electronic_equipment,
• pushcart,
• asphalt,
• crowbar,
• auto_product,
• courtyard,
• database,
• chloride_salt,
• display,
• attack_wand,
• special_button,
• linen,
• tc,
• goods,
• body,
• mat,
• user,
• school,
• robot,
• playground,
• car-care_product,
• condiment_set,
• sucrose,
• sphere,
• card,
• dc,
• specialized_format,
• authorization_system,
• suspension_gear,
• computer_interface,
• shampoo,
• equipment_bag,
• nickel,
• open_state,
• eyes,
• cracker,
• toy,
• playhouse,
• goodwill,
• ceiling,
• closet,
• pocket,
• mailbox,
• stainless,
• radio,
• wheelbarrow,
• jewelry,
• fridge_magnet,
• fuel_gas,
• electronic_sign,
• engine,
• cure_item,
• display_devices,
• thing,
• bandage,
• sheet,
• television,
• separator,
• pillow_case,
• compartment,
• plutonium,
• xmas_ornament,
• art,
• desk,
• carpet,
• rear,
• apparel,
• solar_energy,
• lipstick,
• stereo,
• wine_glasses,
• cap,
• water,
• leather_bookmark,
• address_book,
• journal_cover,
• tire,
• cone,
• handheld_devices,
• bracket,
• hardware,
• bubble,
• antenna,
• metal_scrap,
• key,
• methanol,
• pager,
• lamp,
• disc,
• computer_disk,
• planter_box,
• hollow_wall,
• transport_fuel,
• car,
• flatware,
• cup,
• lane,
• state,
• lifeboat,
• interest,
• hangar,
• floppy,
• pedestrian_plaza,
• ball,
• contiguous_bin,
• terminal,
• limb,
• server,
• furrow,
• garage_floor,
• trunk_room,
• nitrate,
• solid,
• kerosene,
• drink,
• game,
• vcr,
• numerical_value,
• paint,
• windshield,
• breadboard,
• laundry,
• heat,
• bootie,
• shoes,
• small_appliance,
• ski,
• fur,
• food_stuff,
• kitchenware,
• cobalt,
• door_panel,
• aluminum_fluoride,
• car_tyre,
• aluminum,
• mantel,
• memory,
• cell_phone,
• valuable_saltpetre,
• doll,
• small_toy,
• lid,
• cupboard,
• rectifier,
• closed_state,
• metal,
• direct_current,
• pulpwood,
• workshop,
• plumbing,
• harmonic_line,
• lead,
• rubber_sheeting,
• wire,
• helicopter,
• sand,
• advisory_publication,
• leather_wristband,
• microprocessor,
• spaceship,
• eyeglasses,
• image_field,
• eraser,
• automotive_product,
• wood,
• plastic_sheet,
• motor,
• history,
• gravel,
• food,
• dvd,
• paper_pulp,
• refrigerator_top,
• armor,
• floppy_diskette,
• bird_table,
• lumber,
• zipper,
• diaper,
• construction_material,
• hose,
• hard_disc,
• astrological_sign,
• novel,
• bicycle_tire,
• natural_gas,
• starch,
• toothbrush,
• steel,
• coated_papers,
• studio,
• photo,
• manual,
• protein,
• dish,
• household_goods,
• goblet,
• paint_tube,
• bat,
• walking_cane,
• transmission,
• gas,
• unused_chemical,
• lead_source,
• button,
• transforming_snake,
• country,
• polymeric_material,
• natural_uranium,
• oxygen,
• bottle,
• library,
• floppy_disc,
• sec,
• gypsum,
• flooring,
• sunlight,
• street_address,
• brick,
• baked_goods,
• video,
• tile,
• cloth,
• scrap_paper,
• description,
• plaster,
• packing_paper,
• alcove,
• tableware,
• moulding,
• bookmark,
• chart_form,
• glasses,
• clipboard,
• solar_radiation,
• synthetic_gas,
• label_stock,
• bumper,
• clothes,
• sheet_towel,
• flag,
• block,
• magazine,
• cd_rom,
• textile_bag,
• potion,
• repair_pad,
• shed,
• papers,
• bedding,
• iron,
• utility_room,
• uranium,
• park,
• typewriter,
• plaza,
• electrical_appliance,
• mirror_frame,
• staff,
• convention,
• plate,
• side,
• map,
• compact_disc,
• panel,
• storage_container,
• computer_room,
• play,
• ammunition,
• camera,
• video_card,
• ornament,
• fixture,
• glove,
• cement,
• glycol_ether,
• reading_nook,
• wand,
• bath_product,
• sign,
• teleprinter_roll,
• cadmium,