: Research published in 2021-2022 detailed the development of welding inspection robots capable of navigating complex or dangerous environments to perform autonomous inspections.

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Traditional film radiography dropped sharply in 2020 due to supply chain issues. Computed Radiography (CR) and Direct Digital Radiography (DR) became the norm. By 2021, the American Welding Society (AWS) released addendums allowing digital interpretation for structural welding.