Possible Clues:

• Buoyancy
• Recoil from falsehood in sincere confusion
• Toughness on island in sound? Just the opposite
• Ability to recover fast
• Serving men lie in because this makes for a speedy recovery
• Ability to spring back
• Ability to recover quickly
• Give jellied eels in rice
• Toughness shown by engineers, source of industry amid quiet
• Army corps with lack of communication, one bound to be showing adaptability