Simple categories matching rigid:

• transparency,
• mechanism,
• polymer,
• surface,
• material,
• object,
• instrumentation,
• container,
• tool,
• class,
• sheet,
• hitch,
• document,
• bed,
• structure,
• item,
• alteration,
• medium,
• architecture,
• product,
• piece,
• cutoff,
• rod,
• construction,
• portion,
• fibre,
• lining,
• paper,
• article,
• bottle,
• body,
• substrate,
• floor,
• connection,
• group,
• plant,
• dressing,
• cloth,
• shaft,
• fastener,
• feature,
• resin,
• web,
• device,
• package,
• case,
• mineral,
• covering,
• rock,
• cylinder,
• thermoplastic,
• finish,
• coil,
• particle,
• metal,
• block,
• layer,
• strip,
• carrier,
• sorbent,
• macromolecule,
• cover,
• ground,
• armour,
• fixing,
• matter,
• panel,
• cement,
• casing,
• obstacle,
• substance,
• support,
• motion,
• splint,
• unit,
• change,
• post,
• luggage,
• molecule,
• space,
• boundary,
• entity,
• adhesive,
• matrix,
• movement,
• display,
• insulation,
• filler,
• boot,
• pipe,
• gel,
• part,
• appendage,
• appliance,
• stick,
• watercraft,
• packing,
• pavement,
• tissue,
• hanger,
• means,
• protein,
• connector,
• tube,
• plastic,
• tip,
• fiber,
• airfoil,
• tubing,
• vehicle,
• monomer,
• element,
• frame,
• transformation,
• instrument,
• deck,
• barrier,
• deposit,
• thread,
• profile,
• fabric,
• shape,
• textile,
• fixture,
• plate,
• devices,
• foundation,
• food,
• system,
• form,
• base,
• measure,
• foam,
• organs,
• member,
• component,
• wall,
• implement,
• organ,
• sector,
• obstruction,
• representation,
• sphere,
• aggregate,
• solid,

Members with property rigid:

• metal,
• wood,
• pulp_board,
• glass_jar,
• stainless,
• vehicle_body,
• gb,
• aluminum,
• tricot,
• bundle,
• stabilized_tricot,
• latter_joint,
• steel,
• wall,
• card,
• thermos,
• tub,
• wooden_frame,
• crystal,
• rubber,
• ground,
• brick_surface,
• abs,
• plaque,
• metal_panel,
• chrome,
• balsa,
• steel_alloy,
• rope,
• diffuser,
• rock,
• gun,
• pier,
• hydrant,
• acrylic,
• revetment_wall,
• plastered_wall,
• metal_tin,
• eye_mechanics,
• acrylic_rod,
• metal_sheet,
• margarine_carton,
• pencil,
• urethane,
• pick,
• ligament,
• aluminium_strip,
• phosphate,
• ribose,
• oil_drum,
• pit,
• paper_chart,
• silicon_wafer,
• chair_leg,
• square,
• pyrite,
• collagen_matrix,
• motor-vehicle_roof,
• slate,
• fiberboard_box,
• refrigerator_door,
• picnic_plate,
• neck,
• lateral_mass,
• graphic-art_film,
• chest_wall,
• super_glue,
• barrier,
• plastic_sheet,
• refrigerator,
• glass_devices,
• burn_barrels,
• fence_post,
• glass_framing,
• carbon_fibre,
• cardboard_sheet,
• electrical_transformer,
• aromatic_polyamide,
• nest_box,
• closure,
• various_gel,
• carbon_graphite,
• splint,
• fascia,
• polymeric_resin,
• foam_pvc,
• sword,
• sidewalk,
• lamp_standard,
• cookie,
• flexible_strip,
• glass_dome,
• porch,
• equipment_rack,
• table_inside,
• couple,
• reinforced-concrete_slab,
• comb,
• allen_key,
• calcareous_cement,
• plastic_cup,
• collagen_fiber,
• syrinx,
• metal_debris,
• polygon,
• webbing,
• polyurethane,
• silicate,
• ebonite,
• firewall,
• subordinate_quartz,
• polyester,
• spine,
• carbonyl,
• box_steel,
• stylus,
• plate,
• sea_sand,
• decorative_panel,
• utility_pole,
• matrix_structure,
• panel,
• portland-cement_concrete,
• masonry_wall,
• concrete_lid,
• golf-club_head,
• cookie_tin,
• plastic_pail,
• rigid_foam,
• parquet_flooring,
• text,
• masonry,
• door_lock,
• belemnite_fossil,
• manhole,
• slide,
• steel_rule,
• bed,
• clorox_bottle,
• glass_sphere,
• rod_hanger,
• plastic_pipe,
• bulkhead,
• instrument-panel_bezel,
• pyridine,
• solid_aluminum,
• rectangle,
• aromatic_ring,
• stainless_steel,
• stainless-steel_pan,
• gallium_arsenide,
• steel_post,
• rigid_resin,
• backboard,
• concrete,
• acetal_resin,
• spring_steel,
• titanium,
• flexible_thermoplastic,
• plagioclase,
• stake,
• rail_car,
• iron,
• cracker,
• bottle_cap,
• native_dna,
• fiberglass,
• increase,
• corporation,
• teapot,
• tabletop,
• crowbar,
• water-pump_housing,
• takeaway_container,
• paper-clip_end,
• pirate_sword,
• suitable_paper,
• cinder-block_combine,
• staff,
• collagen,
• aluminum_sheet,
• linen,
• metal_frame,
• covered_road,
• knife,
• methylene,
• barrels,
• hard_palate,
• jersey_barrier,
• tramway,
• tent_pole,
• cell-wall_material,
• wallboard,
• fiberglass_canoe,
• aircraft_wings,
• plywood,
• hardboard,
• aorta,
• plane,
• photo_stock,
• cast_gold,
• dry_bread,
• hard_paper,
• coated_polyester,
• fiber_drum,
• titania_powder,
• stanchion,
• bracket,
• airplane,
• stone_block,
• cue,
• column,
• outrigger_beam,
• bar_stock,
• abc_pillar,
• siding_material,
• glass_bead,
• alloy,
• silver_halide,
• basement_wall,
• sand,
• passport,
• bronze,
• plasma_display,
• tetrafluoroethylene,
• curb,
• tree,
• cardboard_box,
• pencil_tip,
• top,
• epoxy,
• post,
• tar,
• crate,
• structure,
• clothing,
• umbrella,
• instrument,
• coated_aluminium,
• magnesium,
• aluminium_tin,
• reinforced-concrete_bed,
• soundboard,
• fresh_vegetable,
• concrete_ground,
• match_stick,
• peptide_plane,
• titanium_alloy,
• toy,
• match_box,
• meat_tray,
• plastic_card,
• loudspeaker_cone,
• bridge_rail,
• robot_arm,
• deflection_shield,
• spear,
• railing,
• cd,
• wood_frame,
• window_profile,
• dvd,
• cane,
• parquet,
• single_sheet,
• charcoal,
• box_cover,
• fabric,
• metal_plate,
• si_wafer,
• embankment,
• box,
• snap_connector,
• stick,
• attachment,
• aircraft_hull,
• steel_board,
• stallion_catheter,
• sclera,
• ceramic_tile,
• force,
• curet,
• machine-tool_frame,
• nh_amide,
• corrugated_paperboard,
• baggage_rack,
• cardboard_packaging,
• plastic_material,
• crystalline_cellulose,
• acrylic_sheet,
• food_storage,
• scaffolding,
• micrometer_head,
• aluminum_alloy,
• satellite,
• permeable_rock,
• wooden_panel,
• wooden_box,
• vascular_tissue,
• ventilation_equipment,
• concrete_base,
• urea,
• tile,
• roller,
• phenol_resin,
• cylindrical_tube,
• matt_board,
• potato_basket,
• bolt_connection,
• under_arm,
• robot,
• product,
• conventional_bolt,
• brain,
• magnetic_particle,
• equation,
• vertebral_lamina,
• stone,
• anhydrous_gel,
• sturdy_tripod,
• thermoplastic_substrate,
• paper,
• glass_panel,
• case,
• semirigid_substrate,
• dashboard,
• metal_rod,
• shrub,
• desk,
• nylon,
• virtual_instrument,
• paved_surface,
• metal_conduit,
• groin,
• cornea,
• synthetic_polymer,
• rock_face,
• aluminum_base,
• concrete_flooring,
• plate_metal,
• heavy_equipment,
• lamp,
• reusable_pail,
• fish,
• dustbin,
• plan,
• forceps,
• radiator,
• bodkin,
• framing,
• septic_tank,
• coaster,
• optical_disk,
• uncarpeted_center,
• dam,
• skull,
• tree_limb,
• video_cassette,
• brick_column,
• polystyrene,
• spinous_process,
• zeolite_framework,
• plasterboard,
• bran,
• submarine_hull,
• steel_container,
• meter_stick,
• aromatic_polyester,
• styrofoam,
• concrete_paving,
• conventional_metal,
• limestone,
• human_skull,
• normal_distribution,
• natural_stone,
• pipe,
• denim,
• similar_material,
• surgical_instrument,
• glass_plate,
• antibody,
• silica_particle,
• glass_bottle,
• longitudinal_force,
• silicon_particle,
• hoof,
• titanium_post,
• microscope,
• platform_system,
• packaging,
• toothpick,
• mica_plate,
• si,
• linear_curve,
• asbestos_cement,
• furniture,
• paint_resin,
• ball,
• awning_frame,
• reflection,
• harbor_wharf,
• cylinder,
• glass_pane,
• billiards_ball,
• portable_bin,
• desktop,
• supple_medium,
• hexagonal_brass,
• trunk,
• solid_organs,
• tubular_steel,
• bench_system,
• vinyl_skin,
• photographic_slide,
• irish_model,
• obturator,
• baby_bottle,
• illustration_board,
• carbon_phenolic,
• brick,
• epoxy_glass,
• formulaic_plan,
• tow_bar,
• building_structure,
• blue_board,
• truss,
• knit,
• semiconductor_wafer,
• polyethylene,
• protein,
• road,
• door,
• bacteria,
• broom,
• kidney_dish,
• skin,
• wafer,
• rigid_pvc,
• uneven_floor,
• audio,
• acrylic_polymer,
• metal_alloy,
• gypsum,
• platform,
• biological_polymer,
• bar,
• base,
• jetty,
• batten,
• biopsy_needle,
• granite,
• concrete_foundation,
• breakwater,
• rnase,
• asbestos_board,
• screw_pin,
• solid_steel,
• steel_fiber,
• roads,
• metal_bucket,
• milk_jug,
• popsicle_stick,
• polyester_resin,
• drywall,
• pva,
• lifting_triangle,
• stainless-steel_tubing,
• wheat,
• top_case,
• presidential_system,
• various_alloy,
• hardware,
• molecular_cluster,
• organized_religion,
• meat,
• tripod,
• cast,
• gold,
• photograph,
• diaphragm_wall,
• chromium,
• pipe_section,
• currant,
• gesso_board,
• shower_enclosure,
• window,
• cement,
• foundation,
• beryllium,
• glass,
• laundry-detergent_container,
• table_surface,
• mat,
• cardboard,
• boat_propeller,
• quartz_grain,
• ceramic_post,
• sapphire,
• enamel,
• corrugated_board,
• telephone_handset,
• latex,
• battery_case,
• hand,
• concrete_block,
• aluminium,
• palm,
• glucose_ring,
• concrete_drain,
• gel,
• hopper,
• glass_piece,
• knife_tube,
• car,
• wooden_slat,
• cellulose,
• trestle,
• duct_wall,
• pill_box,
• milk_crate,
• slide_glass,
• glass_wafer,
• cervical_column,
• clamshell,
• styrene,
• snap,
• cooking_devices,
• wedge_barrier,
• bridge_abutment,
• bridge_railing,
• channel,
• machine,
• gooseberry,
• cranial_vault,
• robot_arms,
• hands,
• ceiling,
• sign_support,
• porous_concrete,
• screwdriver,
• undercarriage,
• pew,
• carton,
• foam,
• masonite_material,
• separation,
• transportation,
• quota,
• cabin_sole,
• pipeline,
• university,
• mi,
• flat_plate,
• plastic,
• cork,
• perspex_material,
• dna,
• video_screen,
• collar_plate,
• triple_bond,
• glucose,
• mesh,
• lock,
• bone,
• buckle_transducer,
• arch,
• fencing,
• phosphor-bronze_plate,
• hard_lacquer,
• sand_bed,
• bolt_assembly,
• arm,
• helix,
• bond,
• canister,
• bony_structure,
• cement_paste,
• table_top,
• dense_polymer,
• solid,
• toilet,
• rigid_body,
• steel_anvil,
• cube,
• milk_container,
• hoops,
• diamond,
• concrete_slab,
• tool,
• walking_stick,
• membrane_constituent,
• tumbler,
• nickel_particle,
• lower_jaw,
• silver,
• half_cast,
• mineral,
• gator,
• rubber_material,
• magnesium_metal,
• snap_hook,
• stucco,
• vial,
• plastic_cap,
• raw_carrot,
• gravity_wall,
• limit_weight,
• pvc,
• cistern,
• smart_card,
• ocean_pier,
• tote_box,
• rack,
• cloth,
• specimen,
• pebble_finish,
• glass_pipe,
• tendon,
• dolomite,
• face,
• bottle,
• weir,
• mass,
• breast_plate,
• glue,
• marbles,
• carbonate,
• ps,
• pin,
• pelvic_bones,
• graphite,
• wings,
• metal_mesh,
• liver,
• bearing,
• polystyrene_ps,
• right_bronchus,
• plexiglas,
• alumina,
• thin_rod,
• engine,
• bleach_bottle,
• stove,
• asphalt_roadway,
• motorbike,
• character_motion,
• mouth,
• tank_body,
• ship,
• knee,
• plant-cell_wall,
• disk,
• retainer,
• mica,
• concrete_barrier,
• ceramic_plate,
• glass_windows,
• sand_crystal,
• metal_pail,
• stiff_rubber,
• physical_therapy,
• sea_wall,
• crystalline_polymer,
• country,
• camera_movement,
• glass_jug,
• canon_ball,
• flat_acrylic,
• corrugated_cardboard,
• masonite,
• fiber_post,
• plastic_bar,
• resin,
• large_stone,
• seal,
• drainage_pit,
• polyethylene_foam,
• matrix,
• index_card,
• nickel_stainless,
• plastic_crate,
• photo_mailer,
• polypropylene,
• masonry_nail,
• pavement,
• cardboard_container,
• lightweight_metal,
• button,
• rotation,
• abutment_wall,
• cotton,
• stretcher,
• bones_rib,
• printing_tape,
• crystalline_quartz,
• biopsy_forceps,
• oilrig,
• plastic_jar,
• plaster,
• concrete_manhole,
• legs,
• sandwich_structure,
• wax,
• paste,
• rigid_wire,
• cement_curb,
• buckle,
• valve,
• state_constitution,
• slab_foundation,
• fish_box,
• government,
• patient_bed,
• acrylic-resin_sheet,
• concrete_building,
• shallow_tray,
• broom_stick,
• aluminum_nitride,
• polystyrene_film,
• zeolite,
• bamboo,
• identity_document,
• concrete_cutoff,
• carrying_case,
• silicon,
• expanded_polystyrene,
• plastic_bottle,
• jug,
• card_stock,
• metal_material,
• snail_shell,
• duralumin,
• porous_glasses,
• sheet_aluminum,
• concrete_wall,
• asphalt,
• candle,
• needle,
• light_pole,
• bush,
• fiberboard_container,
• hard_rubber,
• wicker,
• decorator_plate,
• stainless-steel_exhibit,
• abs_resin,
• engine_head,
• windows,
• electronic_casing,
• pvc_sheet,
• aromatic_structure,
• vertebral_spine,
• id_card,
• triangle,
• body_surface,
• corn,
• copper,
• dumpster,
• carbon,
• plastic_box,
• fuselage,
• aluminium_sheet,
• polypropylene_resin,
• tower,
• pyrolytic_carbon,
• resorcinol,
• boiler_wall,
• plastic_strip,
• method,
• translation,
• philadelphia_collar,
• foam_core,
• machine-tool_steel,
• airplane_wing,
• lead,
• steel_rod,
• collapsible_bunk,
• jar,
• extracellular_matrix,
• ruby,
• rodlike_synthetic,
• ceiling_tile,
• rod,
• eyes,
• myelin,
• golf-club,
• body,
• pillar,
• biscuit,
• glass_sheet,
• conduit,
• bones,
• sphere,
• hub,
• horizontal_stabilizer,
• rigid_rod,
• clay,
• barrel,
• fiberglass_cast,
• silicone,
• piece,
• bin,
• trunks,
• whole_grain,
• hypo_tubing,
• expanded_polyurethane,
• rib,
• walkway_bridge,
• sandblast_rubber,
• board,
• globular_protein,
• vertebral_column,
• articulation,
• cartridge,
• cervical_vertebra,
• cpr_board,
• silica,
• sheet,
• gearbox,
• drink_bottle,
• endoscopic_electrode,
• upright,
• tennis-racket_frame,
• acetal,
• bucket,
• lumber,
• quartz,
• teeth,
• yoghurt_pot,
• travel_alarm,
• bridge_barrier,
• margarine_tub,
• bridge_pier,
• nut,
• oak_barrel,
• computer_case,
• plate_mail,
• key,
• tin,
• slate_plate,
• garbage,
• array,
• paving,
• cartilage,
• corer,
• plastic_carton,
• concrete_panel,
• piano,
• broken_glass,
• wood_molding,
• thick_paper,
• hanger,
• bronchus,
• fish_paper,
• ladder_splint,
• head_rotation,
• joint,
• wall_mural,
• limpet_shell,
• counter,
• nickel,
• phenol,
• canvas,
• uncarpeted_floorboard,
• glass_beads,
• reinforced-concrete_building,
• copolymer,
• silver_case,
• beam,
• shell,
• trim_panel,
• tank,
• ship_hull,
• tombstone,
• manhole_base,
• x-ray_cassette,
• ceramic_wafer,
• bat,
• basement_floor,
• perspex,
• timber,
• pail,
• south_china,
• pole,
• skeleton,
• cup,
• plow,
• bolt,
• fibre_panel,
• liquid-crystal_polymer,
• catheter,
• tubular_bridge,
• stump,
• vitrified_clay,
• whole_body,
• ceramics,
• hip,
• emulsion_polymer,
• vehicle_chassis,
• duck,
• paperboard,
• phenolic,
• ductile_iron,
• rigid_urethane,
• trachea,
• hard_floor,
• hurdle,
• synthetic-resin_sheet,
• tube,
• under_seat,
• drum,
• ebony,
• urea_formaldehyde,
• direct_bond,
• wastebasket,
• tunnel,
• garnet,
• bench,
• foam_board,
• cellulose-acetate_ca,
• casket,
• varied_material,
• steel_bar,
• polymeric_material,
• sheet_rock,
• steel_sheet,
• grating_material,
• coating,
• bridge,
• rest,
• concrete_pipe,
• bathroom_wall,
• battery,
• canopy,
• table,
• nail,
• vibrator,
• channel_wall,
• platform_truck,
• footpath,
• simple_translation,
• wire,
• erect_penis,
• building_foundation,
• revolution_body,
• bone_graft,
• jewelry_case,
• portal_frame,
• concrete_floor,
• metal_pipe,
• adjusting_devices,
• shop-floor_system,
• floor,
• side,
• x-ray,
• mylar,
• cast_steel,
• wooden_stick,
• screw,
• articular_cartilage,
• ring_binder,
• test_panel,
• sapling,
• lightweight_roof,
• bed_ware,
• brass,
• jaw,
• rigid_insulation,
• head,
• wood_piece,
• long_bar,
• activated_carbon,
• car_body,
• osseous_structure,
• club,
• tray,
• machinery_part,
• tarmac,
• weapon,
• latex_sphere,
• flexible_beam,
• ampoule,
• right-angle_boot,
• rigid_bulkhead,
• muscle,
• surgical_textile,
• planet,
• north-american_plate,
• wire_mesh,
• marble,
• compass,
• steel_pipeline,
• pen,
• detergent_bottle,
• bank,
• rose,
• sulfate_group,
• extra_battery,
• heavy_beam,
• vehicle,
• pen_tip,
• screw_fastener,
• dead_snake,
• right,
• cast_aluminum,
• masonry_column,
• building,
• mechanical_part,
• starch,
• plastic_plate,
• zircon,
• leather,
• fastener,
• pylon,
• catmint,
• car_dashboard,
• feldspar,
• staple,
• polymer,
• chair_legs,
• bituminous_pavement,
• frame,