diff --git a/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs b/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs
index 68db926..bb545a6 100644
--- a/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs
+++ b/FurnitureFactory/FurnitureContracts/BindingModels/HeadsetModuleBindingModel.cs
@@ -20,5 +20,11 @@ namespace FurnitureContracts.BindingModels
         public string MasterName { get; set; } = string.Empty;
 
         public Dictionary<int, IMaterialModel> HeadsetModuleMaterial { get; set; }
+
+        public string Name { get; set; } = string.Empty;
+
+        public DateTime DateIssue => throw new NotImplementedException();
+
+        public DateTime DateDelivery => throw new NotImplementedException();
     }
 }
diff --git a/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IFurnitureLogic.cs b/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IFurnitureLogic.cs
index 83c6d07..b1d58a9 100644
--- a/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IFurnitureLogic.cs
+++ b/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IFurnitureLogic.cs
@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.BusinessLogicsContracts
 {
-    interface IFurnitureLogic
+    public interface IFurnitureLogic
     {
         List<FurnitureViewModel>? ReadList(FurnitureSearchModel? model);
         FurnitureViewModel? ReadElement(FurnitureSearchModel model);
diff --git a/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IHeadsetModuleLogic.cs b/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IHeadsetModuleLogic.cs
index fcc064b..a8c507a 100644
--- a/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IHeadsetModuleLogic.cs
+++ b/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IHeadsetModuleLogic.cs
@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.BusinessLogicsContracts
 {
-    internal interface IHeadsetModuleLogic
+    public interface IHeadsetModuleLogic
     {
         List<HeadsetModuleViewModel>? ReadList(HeadsetModuleSearchModel? model);
         HeadsetModuleViewModel? ReadElement(HeadsetModuleSearchModel model);
diff --git a/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IMaterialLogic.cs b/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IMaterialLogic.cs
index 1712c95..5f60307 100644
--- a/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IMaterialLogic.cs
+++ b/FurnitureFactory/FurnitureContracts/BusinessLogicsContracts/IMaterialLogic.cs
@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 
 namespace FurnitureContracts.BusinessLogicsContracts
 {
-    interface IMaterialLogic
+    public interface IMaterialLogic
     {
         List<MaterialViewModel>? ReadList(MaterialSearchModel? model);
         MaterialViewModel? ReadElement(MaterialSearchModel model);
diff --git a/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/FurnitureLogic.cs b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/FurnitureLogic.cs
new file mode 100644
index 0000000..644e7b9
--- /dev/null
+++ b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/FurnitureLogic.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.BusinessLogicsContracts;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.StoragesContracts;
+using FurnitureContracts.ViewModel;
+using Microsoft.Extensions.Logging;
+
+namespace FurnitureFactoryBusinessLogic.BusinessLogic
+{
+    public class FurnitureLogic : IFurnitureLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IFurnitureStorage _FurnitureStorage;
+        public FurnitureLogic(ILogger<FurnitureLogic> logger, IFurnitureStorage FurnitureStorage)
+        {
+            _logger = logger;
+            _FurnitureStorage = FurnitureStorage;
+        }
+        public List<FurnitureViewModel>? ReadList(FurnitureSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Name:{Name}.Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ? _FurnitureStorage.GetFullList() : _FurnitureStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public FurnitureViewModel? ReadElement(FurnitureSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Name:{Name}. Id:{ Id}", model.Name, model.Id);
+            var element = _FurnitureStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(FurnitureBindingModel model)
+        {
+            CheckModel(model);
+            if (_FurnitureStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(FurnitureBindingModel model)
+        {
+            CheckModel(model);
+            if (_FurnitureStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(FurnitureBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_FurnitureStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(FurnitureBindingModel model, bool withParams =
+       true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Не задано название", nameof(model.Name));
+            }
+            if (model.MasterId <= 0)
+            {
+                throw new ArgumentNullException("Неверно задан идентификатор поручителя", nameof(model.MasterId));
+            }
+            if (model.OrdersId <= 0)
+            {
+                throw new ArgumentNullException("Неверно задан идентификатор заказа", nameof(model.OrdersId));
+            }
+            _logger.LogInformation("Furniture. Titel:{Name}.ProductId{ProductId}.MasterId:{MasterId}. Id: {Id}", model.Name, model.OrdersId, model.MasterId, model.Id);
+            var element = _FurnitureStorage.GetElement(new FurnitureSearchModel
+            {
+                Name = model.Name,
+                MasterId = model.MasterId
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Мебель с таким названием уже есть");
+            }
+        }
+    }
+}
diff --git a/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/HeadsetModuleLogic.cs b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/HeadsetModuleLogic.cs
new file mode 100644
index 0000000..e594bd8
--- /dev/null
+++ b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/HeadsetModuleLogic.cs
@@ -0,0 +1,116 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.BusinessLogicsContracts;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.StoragesContracts;
+using FurnitureContracts.ViewModel;
+using FurnitureFactoryDataBaseImplements.Implements;
+using Microsoft.Extensions.Logging;
+
+namespace FurnitureFactoryBusinessLogic.BusinessLogic
+{
+    public class HeadsetModuleLogic : IHeadsetModuleLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IHeadsetModuleStorage _HeadsetModuleStorage;
+        public HeadsetModuleLogic(ILogger<HeadsetModuleLogic> logger, IHeadsetModuleStorage HeadsetModuleStorage)
+        {
+            _logger = logger;
+            _HeadsetModuleStorage = HeadsetModuleStorage;
+        }
+        public List<HeadsetModuleViewModel>? ReadList(HeadsetModuleSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Name:{Name}.Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ? _HeadsetModuleStorage.GetFullList() : _HeadsetModuleStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public HeadsetModuleViewModel? ReadElement(HeadsetModuleSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Name:{Name}. Id:{ Id}", model.Name, model.Id);
+            var element = _HeadsetModuleStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(HeadsetModuleBindingModel model)
+        {
+            CheckModel(model);
+            if (_HeadsetModuleStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(HeadsetModuleBindingModel model)
+        {
+            CheckModel(model);
+            if (_HeadsetModuleStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(HeadsetModuleBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_HeadsetModuleStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(HeadsetModuleBindingModel model, bool withParams =
+       true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Не задано название", nameof(model.Name));
+            }
+            if (model.MasterId <= 0)
+            {
+                throw new ArgumentNullException("Неверно задан идентификатор поручителя", nameof(model.MasterId));
+            }
+
+            _logger.LogInformation("HeadsetModule. Titel:{Name}.MasterId:{MasterId}. Id: {Id}", model.Name, model.MasterId, model.Id);
+            var element = _HeadsetModuleStorage.GetElement(new HeadsetModuleSearchModel
+            {
+                Name = model.Name,
+                MasterId = model.MasterId
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Модуль с таким названием уже есть");
+            }
+        }
+    }
+}
diff --git a/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/MasterLogic.cs b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/MasterLogic.cs
new file mode 100644
index 0000000..de0f57e
--- /dev/null
+++ b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/MasterLogic.cs
@@ -0,0 +1,121 @@
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.BusinessLogicsContracts;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.StoragesContracts;
+using FurnitureContracts.ViewModel;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureFactoryBusinessLogic.BusinessLogic
+{
+    public class MasterLogic : IMasterLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IMasterStorage _MasterStorage;
+        public MasterLogic(ILogger<MasterLogic> logger, IMasterStorage MasterStorage)
+        {
+            _logger = logger;
+            _MasterStorage = MasterStorage;
+        }
+        public List<MasterViewModel>? ReadList(MasterSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Login:{Login}.Id:{ Id}", model?.Login, model?.Id);
+            var list = model == null ? _MasterStorage.GetFullList() : _MasterStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public MasterViewModel? ReadElement(MasterSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Login:{Login}. Id:{ Id}", model.Login, model.Id);
+            var element = _MasterStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(MasterBindingModel model)
+        {
+            CheckModel(model);
+            if (_MasterStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(MasterBindingModel model)
+        {
+            CheckModel(model);
+            if (_MasterStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(MasterBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_MasterStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(MasterBindingModel model, bool withParams =
+       true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Не задан логин", nameof(model.Login));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Не задан пароль", nameof(model.Password));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Не задана почта", nameof(model.Email));
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Не задано ФИО", nameof(model.Name));
+            }
+            _logger.LogInformation("Master. Name:{Name}.Email{Email}.Login{Login}.Password{Password} Id: {Id}", model.Name, model.Email, model.Login, model.Password, model.Id);
+            var element = _MasterStorage.GetElement(new MasterSearchModel
+            {
+                Login = model.Login
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Поручитель с таким логином уже есть");
+            }
+        }
+    }
+}
diff --git a/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/MaterialLogic.cs b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/MaterialLogic.cs
new file mode 100644
index 0000000..f0902ca
--- /dev/null
+++ b/FurnitureFactory/FurnitureFactoryBusinessLogic/BusinessLogic/MaterialLogic.cs
@@ -0,0 +1,119 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FurnitureContracts.BindingModels;
+using FurnitureContracts.BusinessLogicsContracts;
+using FurnitureContracts.SearchModels;
+using FurnitureContracts.StoragesContracts;
+using FurnitureContracts.ViewModel;
+
+using Microsoft.Extensions.Logging;
+
+namespace FurnitureFactoryBusinessLogic.BusinessLogic
+{
+    public class MaterialLogic : IMaterialLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IMaterialStorage _materialStorage;
+        public MaterialLogic(ILogger<MaterialLogic> logger, IMaterialStorage materialStorage)
+        {
+            _logger = logger;
+            _materialStorage = materialStorage;
+        }
+        public List<MaterialViewModel>? ReadList(MaterialSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Name:{Name}.Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ? _materialStorage.GetFullList() : _materialStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public MaterialViewModel? ReadElement(MaterialSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Name:{Name}. Id:{ Id}", model.Name, model.Id);
+            var element = _materialStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_materialStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_materialStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(MaterialBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_materialStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(MaterialBindingModel model, bool withParams =
+       true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Не задано название", nameof(model.Name));
+            }
+            if (string.IsNullOrEmpty(model.Cost.ToString()))
+            {
+                throw new ArgumentNullException("Не задана цена", nameof(model.Cost));
+            }
+            if (model.MasterId <= 0)
+            {
+                throw new ArgumentNullException("Неверно задан идентификатор поручителя", nameof(model.MasterId));
+            }
+            _logger.LogInformation("Material. Titel:{Name}.Cost{Cost}.MasterId:{MasterId}. Id: {Id}", model.Name, model.Cost, model.MasterId, model.Id);
+            var element = _materialStorage.GetElement(new MaterialSearchModel
+            {
+                Name = model.Name,
+                MasterId = model.MasterId
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Материалы с таким названием уже есть");
+            }
+        }
+    }
+}