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| Russian | English |
| акт освидетельствования скрытых работ | concealed work inspection report (e.g. "In accordance with current construction standards and rules in the USSR, concealed work must be inspected by the proper construction organization before being concealed by subsequent work."  thefreedictionary.com Aiduza) |
| скрытая теплота паров | vapour latent heat (Aiduza) |