diff --git a/README.md b/CHARISMA_intro.md
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diff --git a/density-profiling-system/README.md b/density-profiling-system/Introduction.md
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diff --git a/density-profiling-system/case studies/text.txt b/density-profiling-system/Readme/text.txt
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diff --git a/electrical-resistivity/README.md b/electrical-resistivity/Introduction.md
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-# Electrical Resistivity ER
-
-Electrical resistivity is used to determine reinforced concrete’s susceptibility to corrosion and regions susceptible to moisture and chloride penetration.
-
-Additional information about Electrical Resistivity can be found [`here`](https://infotechnology.fhwa.dot.gov/wp-content/themes/nde/inc/mpdf-development/Generatedpdfs/ElectricalResistivityER.pdf).
-
-## Installation
-
-Inorder to run all of the algorithms developed for Electrical Resistivity, [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) environment is required.
-
-We strongly recommend installing  [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) via conda.
-
-
-## ER Mapping
-
-[`ERMapping`](https://github.com/TFHRCFASTNDElab/CHARISMA/tree/main/electrical-resistivity/ERMapping) is the conventional form of ER data analysis in which we create condition maps by mapping the resistivity value to the location of ER test point on the specimen.
+# Electrical Resistivity ER
+
+Electrical resistivity is used to determine reinforced concrete’s susceptibility to corrosion and regions susceptible to moisture and chloride penetration.
+
+Additional information about Electrical Resistivity can be found [`here`](https://infotechnology.fhwa.dot.gov/wp-content/themes/nde/inc/mpdf-development/Generatedpdfs/ElectricalResistivityER.pdf).
+
+## Installation
+
+Inorder to run all of the algorithms developed for Electrical Resistivity, [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) environment is required.
+
+We strongly recommend installing  [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) via conda.
+
+
+## ER Mapping
+
+[`ERMapping`](https://github.com/TFHRCFASTNDElab/CHARISMA/tree/main/electrical-resistivity/ERMapping) is the conventional form of ER data analysis in which we create condition maps by mapping the resistivity value to the location of ER test point on the specimen.
diff --git a/ground-penetrating-radar/README.md b/ground-penetrating-radar/Introduction.md
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diff --git a/ground-penetrating-radar/case studies/Cover depth measurement/text.txt b/ground-penetrating-radar/Readme/Cover depth measurement/text.txt
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diff --git a/ground-penetrating-radar/case studies/Rebar corrosion/test.txt b/ground-penetrating-radar/Readme/Rebar corrosion/test.txt
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rename from ground-penetrating-radar/case studies/Rebar corrosion/test.txt
rename to ground-penetrating-radar/Readme/Rebar corrosion/test.txt
diff --git a/ground-penetrating-radar/case studies/Rebar mapping/Case_study.md b/ground-penetrating-radar/Readme/Rebar mapping/Case study.md
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diff --git a/ground-penetrating-radar/case studies/Rebar mapping/notebooks/Lab_specimen_notebook.ipynb b/ground-penetrating-radar/Readme/Rebar mapping/notebooks/Lab_specimen_notebook.ipynb
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diff --git a/ground-penetrating-radar/case studies/Rebar mapping/notebooks/Mississippi_bridge_notebook.ipynb b/ground-penetrating-radar/Readme/Rebar mapping/notebooks/Mississippi_bridge_notebook.ipynb
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rename to ground-penetrating-radar/Readme/Rebar mapping/notebooks/Mississippi_bridge_notebook.ipynb
diff --git a/half-cell-potential/README.md b/half-cell-potential/Introduction.md
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rename to half-cell-potential/Introduction.md
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-# Half Cell Potential HCP
-
-The Half Cell Potential (HCP) method can be used to identify corrosion activity of steel reinforcement in reinforced concrete structures. However, the method cannot directly measure the degree of corrosion.
-
-
-Additional information about Half Cell Potential can be found [`here`](https://infotechnology.fhwa.dot.gov/wp-content/themes/nde/inc/mpdf-development/Generatedpdfs/Half-CellPotentialHCP.pdf).
-
-## Installation
-
-Inorder to run all of the algorithms developed for Half Cell Potential, [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) environment is required.
-
-We strongly recommend installing  [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) via conda.
-
-
-## HCP Mapping
-
-[`HCPMapping`](https://github.com/TFHRCFASTNDElab/CHARISMA/tree/main/half-cell-potential/HCPMapping) is the conventional form of HCP data analysis in which we create condition maps by mapping the HCP measurement to the location of HCP test point on the specimen.
+# Half Cell Potential HCP
+
+The Half Cell Potential (HCP) method can be used to identify corrosion activity of steel reinforcement in reinforced concrete structures. However, the method cannot directly measure the degree of corrosion.
+
+
+Additional information about Half Cell Potential can be found [`here`](https://infotechnology.fhwa.dot.gov/wp-content/themes/nde/inc/mpdf-development/Generatedpdfs/Half-CellPotentialHCP.pdf).
+
+## Installation
+
+Inorder to run all of the algorithms developed for Half Cell Potential, [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) environment is required.
+
+We strongly recommend installing  [`charisma-env`](https://github.com/TFHRCFASTNDElab/CHARISMA/blob/main/environment) via conda.
+
+
+## HCP Mapping
+
+[`HCPMapping`](https://github.com/TFHRCFASTNDElab/CHARISMA/tree/main/half-cell-potential/HCPMapping) is the conventional form of HCP data analysis in which we create condition maps by mapping the HCP measurement to the location of HCP test point on the specimen.
diff --git a/impact-echo/README.md b/impact-echo/Introduction.md
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rename from impact-echo/README.md
rename to impact-echo/Introduction.md
diff --git a/phased-array-ultrasonic-testing/README.md b/phased-array-ultrasonic-testing/Introduction.md
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rename from phased-array-ultrasonic-testing/README.md
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