Simple categories matching obsolete:

• equipment,
• devices,
• hardware,
• concept,
• item,
• product,
• appliance,
• part,

Members with property obsolete:

• computer,
• multimedia_card,
• appliance,
• office_equipment,
• clothes,
• artillery_piece,
• fridge,
• rifle,
• gear,
• battery,
• screw,
• cross_arms,
• pole,
• old_engine,
• pager,
• dot-matrix_printer,
• aircraft,
• control,
• video_devices,
• lamp,
• memory,
• keyboard,
• transformer,
• shell_still,
• server,
• processor,
• transistor,
• vessel,
• musket,
• flint_lock,
• personal_computer,
• spat,
• cable,
• bathroom,
• air-transport_aircraft,
• workstation,
• video_board,
• caboose,
• kitchen,
• matrix,
• bathing_shoes,
• munition,
• self_control,
• fuel_tank,
• brake_van,
• tube,
• cell_phone,
• tank,
• outdated_computer,
• submersible,
• screen,
• laser_disc,
• hard_drive,