damage to the document(Words lost because of damage to the document have been inserted in square brackets, if it has proved possible to reconstruct them from published editions or ... iIn the 1898 version, this is due to damage to the document from which it was copied (which was acknowledged). Alexander Demidov)
intrusive work(В некоторых областях имеет принципиально отличное значение от "работ с нарушением целостности оборудования" (breaking containment). Отличаются"проникающим" характером работ, подразумевают буровые работы и выемку грунта. SAKHstasia)
