Around 16,000 engines were destroyed by the various bombings, and the remaining intact engines were either too weak or too heavy.
८२ किंवा त्यापेक्षा जास्त अणुक्रमांक असलेली मूलद्रव्ये अस्थिर असतात व किरणोत्सर्गाने त्यांचा ‍ऱ्हास होतो.