Михалковски – ЯворовVermin CloneThis document appears to be a technical report or specification related to construction or engineering. It references drawings or plans numbered N3-5 from 1619 and provides contact information for two companies, gbs-bg.com and transconsultgroup.com. The document also mentions a scale of 1:1000 and that it was last revised in April 2013 with no listed revisions.