Assertion: blimp's framework | /r/HasProperty | grounded through the landing line
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Source sentences:
text: The spark was most likely caused by a difference in electric potential between the airship and the surrounding air: The airship was approximately 60 meters (about 200 feet) above the airfield in an electrically charged atmosphere, but the ship’s metal framework was grounded by its landing line; the difference in electric potential likely caused a spark to jump from the ship’s fabric covering (which had the ability to hold a charge) to the ship’s framework (which was grounded through the landing line).