diff --git a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantContracts.dll b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantContracts.dll
index 73606a1..77bfdc7 100644
Binary files a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantContracts.dll and b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantContracts.dll differ
diff --git a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDataModels.dll b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDataModels.dll
index 3adb759..5021ec7 100644
Binary files a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDataModels.dll and b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDataModels.dll differ
diff --git a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDatabaseImplement.dll b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDatabaseImplement.dll
index 6509fa1..a8063fb 100644
Binary files a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDatabaseImplement.dll and b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantDatabaseImplement.dll differ
diff --git a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantFileImplement.dll b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantFileImplement.dll
index 5539ef4..30f1d39 100644
Binary files a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantFileImplement.dll and b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantFileImplement.dll differ
diff --git a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantListImplement.dll b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantListImplement.dll
index 966b7db..d24417c 100644
Binary files a/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantListImplement.dll and b/PrecastConcretePlant/ImplementationExtensions/PrecastConcretePlantListImplement.dll differ
diff --git a/PrecastConcretePlant/PrecastConcretePlantBusinessLogic/BusinessLogic/BackUpLogic.cs b/PrecastConcretePlant/PrecastConcretePlantBusinessLogic/BusinessLogic/BackUpLogic.cs
index e27cb12..f3870f3 100644
--- a/PrecastConcretePlant/PrecastConcretePlantBusinessLogic/BusinessLogic/BackUpLogic.cs
+++ b/PrecastConcretePlant/PrecastConcretePlantBusinessLogic/BusinessLogic/BackUpLogic.cs
@@ -50,7 +50,6 @@ namespace PrecastConcretePlantBusinessLogic.BusinessLogic
                 {
                     File.Delete(fileName);
                 }
-                // берем метод для сохранения
                 _logger.LogDebug("Get assembly");
                 var typeIId = typeof(IId);
                 var assembly = typeIId.Assembly;
@@ -71,14 +70,11 @@ namespace PrecastConcretePlantBusinessLogic.BusinessLogic
                             throw new InvalidOperationException($"Не найден класс-модель для {type.Name}");
                         }
                         _logger.LogDebug("Call SaveToFile method for {name} type", type.Name);
-                        // вызываем метод на выполнение
                         method?.MakeGenericMethod(modelType).Invoke(this, new object[] { model.FolderName });
                     }
                 }
                 _logger.LogDebug("Create zip and remove folder");
-                // архивируем
                 ZipFile.CreateFromDirectory(model.FolderName, fileName);
-                // удаляем папку
                 dirInfo.Delete(true);
             }
             catch (Exception)
@@ -86,7 +82,6 @@ namespace PrecastConcretePlantBusinessLogic.BusinessLogic
                 throw;
             }
         }
-
         private void SaveToFile<T>(string folderName) where T : class, new()
         {
             var records = _backUpInfo.GetList<T>();
diff --git a/PrecastConcretePlant/PrecastConcretePlantContracts/DI/DependencyManager.cs b/PrecastConcretePlant/PrecastConcretePlantContracts/DI/DependencyManager.cs
index f5c1394..067e517 100644
--- a/PrecastConcretePlant/PrecastConcretePlantContracts/DI/DependencyManager.cs
+++ b/PrecastConcretePlant/PrecastConcretePlantContracts/DI/DependencyManager.cs
@@ -21,7 +21,6 @@ namespace PrecastConcretePlantContracts.DI
         }
 
         public static DependencyManager Instance { get { if (_manager == null) { lock (_locjObject) { _manager = new DependencyManager(); } } return _manager; } }
-
         public static void InitDependency()
         {
             var ext = ServiceProviderLoader.GetImplementationExtensions();
@@ -29,7 +28,6 @@ namespace PrecastConcretePlantContracts.DI
             {
                 throw new ArgumentNullException("Отсутствуют компоненты для загрузки зависимостей по модулям");
             }
-            // регистрируем зависимости
             ext.RegisterServices();
         }
 
diff --git a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/DatabaseImplementationExtension.cs b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/DatabaseImplementationExtension.cs
index 6139359..020e32c 100644
--- a/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/DatabaseImplementationExtension.cs
+++ b/PrecastConcretePlant/PrecastConcretePlantDatabaseImplement/DatabaseImplementationExtension.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 using PrecastConcretePlantContracts.DI;
 using PrecastConcretePlantContracts.StoragesContracts;
 using PrecastConcretePlantDatabaseImplement.Implements;
-
+//начало 3его вопроса - Как реализован новый механизм настройки зависимостей?
 namespace PrecastConcretePlantDatabaseImplement
 {
     public class DatabaseImplementationExtension : IImplementationExtension
diff --git a/PrecastConcretePlant/PrecastConcretePlantView/DataGridViewExtension.cs b/PrecastConcretePlant/PrecastConcretePlantView/DataGridViewExtension.cs
index 27e34eb..25d7cba 100644
--- a/PrecastConcretePlant/PrecastConcretePlantView/DataGridViewExtension.cs
+++ b/PrecastConcretePlant/PrecastConcretePlantView/DataGridViewExtension.cs
@@ -5,7 +5,6 @@ using System.Text;
 using System.Threading.Tasks;
 using PrecastConcretePlantContracts.Attributes;
 
-
 namespace PrecastConcretePlantView
 {
     public static class DataGridViewExtension
@@ -20,6 +19,7 @@ namespace PrecastConcretePlantView
 
             var type = typeof(T);
             var properties = type.GetProperties();
+           
             foreach (DataGridViewColumn column in grid.Columns)
             {
                 var property = properties.FirstOrDefault(x => x.Name == column.Name);
@@ -27,13 +27,15 @@ namespace PrecastConcretePlantView
                 {
                     throw new InvalidOperationException($"В типе {type.Name} не найдено свойство с именем {column.Name}");
                 }
+
                 var attribute = property.GetCustomAttributes(typeof(ColumnAttribute), true)?.SingleOrDefault();
+
                 if (attribute == null)
                 {
                     throw new InvalidOperationException($"Не найден атрибут типа ColumnAttribute для свойства {property.Name}");
                 }
 
-                if (attribute is ColumnAttribute columnAttr)
+                if (attribute is ColumnAttribute columnAttr)//проставляем полученные аттрибуты
                 {
                     column.HeaderText = columnAttr.Title;
                     column.Visible = columnAttr.Visible;