改ざん・妨害行為

A major Japanese steel producer was recently in the news over falsified product data and the internal investigation that followed — it has since come to light that several employees covered up deceptive practices, hampering the investigation into the ongoing scandal:

製品の検査データ改ざんが発見した後も、一部の工場で、データ改ざんの報告せず、隠していた妨害行為があった。