+++
++Once inflated the substance was no longer
++needed since there is nothing to cause the balloon to collapse.
++This inflatable structure could suffer multiple holes with no 
++disastrous deflation.
+
+preasure (and the internal preasure that was needed to maintain
+a spherical shape against this resistance) caused them to
+catastrophically deflated.  The large silvered shards
+
+The billboard should pop like a dime store balloon.

No, you're wrong about this. Give me some time to get my references.

