Since 2002, the American National Archives stores important national documents such as the Declaration of Independence and the Constitution within argon-filled cases to inhibit their degradation.
Sejak 2002, Arsip Nasional Amerika Serikat menyimpan dokumen nasional penting seperti Deklarasi Kemerdekaan dan Undang-undang Dasar dalam kotak berisi argon untuk menghambat degradasi (perusakan).