diff --git a/pdf/element1_diagrams.pdf b/pdf/element1_diagrams.pdf
index 264696c59c914eba9ad2910fbee36fe0aa44ef9b..afed3d3578263583085f47a1d845812bbb4fd80c 100644
Binary files a/pdf/element1_diagrams.pdf and b/pdf/element1_diagrams.pdf differ
diff --git a/pdf/element2_methodology.pdf b/pdf/element2_methodology.pdf
index 81e1943b6d48a9cb3a6c75f57e9cdd72a3593934..f6e69442f5c19d85c9d0c7fdb0d943a0da74eca1 100644
Binary files a/pdf/element2_methodology.pdf and b/pdf/element2_methodology.pdf differ
diff --git a/pdf/element3_test_cases.pdf b/pdf/element3_test_cases.pdf
index 312748da6837e191c712f5444a134873ca671c66..63b8a96693b3c4a6a8300648dfb79d43bc24480c 100644
Binary files a/pdf/element3_test_cases.pdf and b/pdf/element3_test_cases.pdf differ