└ automobile
      ├ Interior Supplies
      │ └ Seats and seat covers
      │    ├ sports seat
      │    ├ Heated seats
      │    ├ seat cover
      │    ├ seat rail
      │    ├ headrest (esp. on a car seat)
      │    ├ seat belt
      │    ├ bench seat
      │    ├ (car) child seat
      │    └ Other seats and seat covers
         └ Interior Parts
            └ seat cover
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