Preliminary Archaeological Surveys Of Seven Archaeological Sites In Connection With The Realization Of A Site: "Repair By Replacement Of A Section Of Tg Du 1000 For The Republic Of Greece And The Province Of North Macedonia From Crane "B" At The "Ikhtiman" Ks To The Village Of Venkovets" And Of The Site "Replacement Of A Main Gas Pipeline In The Section Lc "Kalugerovo" - Lc "Vrachesh", Distributed In Two Separate Positions.