Carbon Fiber Material was Added

StructureHelperCommon/Models/Materials/Libraries/IFactorLogic.cs

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+using StructureHelperCommon.Infrastructures.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Materials.Libraries
+{
+    public interface IFactorLogic
+    {
+        List<IMaterialSafetyFactor> SafetyFactors { get; }
+        (double Compressive, double Tensile) GetTotalFactor(LimitStates limitState, CalcTerms calcTerm);
+    }
+}