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<p>explosion, often uses HEU with enrichment between 40% and 80% along with the <a href="page.php?w=nuclear_fusion">fusion</a> fuel <a href="page.php?w=lithium_deuteride">lithium deuteride</a>. This multi-stage design enhances the efficiency and effectiveness of nuclear weapons, allowing for greater control over the release of energy during detonation. For the secondary of a large nuclear weapon, the higher critical mass of less-enriched uranium can be an advantage as it allows the core at explosion time to contain a larger amount of fuel. This</p><p>
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