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1Hydrogen embrittlement — (or hydrogen grooving) is the process by which various metals, most importantly high strength steel, become brittle and crack following exposure to hydrogen. Hydrogen cracking can pose an engineering problem especially in the context of a… …
2IRIG timecode — Inter range instrumentation group time codes, commonly known as IRIG timecodes, were created by the TeleCommunications Working Group of the Inter Range Instrumentation Group, the standards body of the Range Commanders Council. Work on these… …
3Ortona dei Marsi — Administration Pays  Italie Région …
4Ortona dei marsi — Ajouter une image Administration Pays  Italie Région …
5Ortona dei Marsi — Ortona dei Marsi …
