Orignally they fabricated aluminum spheres in this building. Each one was 120' O.D. and weighed 850 tons. There was 48.5 miles of welds on each one. They were designed to hold LNG.
One fell off a ship off the coast of Nigeria and became neutrally bouyant and even with all our modern technology no one can find it. The US NAvy looked for it for a long time because of the potential danger of a ship or sub hitting it
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