Construction Of The Building Of Secondary Educational Institution No. 13 In The Village Of Neknot Of The Rudaki Rural Jamoat Of The City Of Penjikent, Stage Four (Concrete Work And Bricklaying). Sokhtmoni Binoi Muassisai Tahsiloti Miyonai Umumi No. 13 Dar Deҳai Neknoti Ҷamoati Deҳoti Rudakii Shaҳri Paҷakent Marҳilai Chorum (Korҳoi Concrete Va Chindani Khishto)