diff --git a/Html/TagType.php b/Html/TagType.php
deleted file mode 100644
index 9c246f465..000000000
--- a/Html/TagType.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.1
- *
- * @category   TBD
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://orange-management.com
- */
-declare(strict_types=1);
-
-namespace phpOMS\Html;
-
-use phpOMS\Stdlib\Base\Enum;
-
-/**
- * Tag type enum.
- *
- * @category   Framework
- * @package    phpOMS\Html
- * @license    OMS License 1.0
- * @link       http://orange-management.com
- * @since      1.0.0
- */
-abstract class TagType extends Enum
-{
-    /* public */ const INPUT = 0; /* <input> */
-    /* public */ const BUTTON = 1; /* <button> */
-    /* public */ const LINK = 2; /* <a> */
-    /* public */ const SYMMETRIC = 3; /* <span><div>... */
-    /* public */ const TEXTAREA = 4; /* <textarea> */
-    /* public */ const SELECT = 5; /* <select> */
-    /* public */ const LABEL = 6; /* <label> */
-    /* public */ const ULIST = 7; /* <ul> */
-    /* public */ const OLIST = 8; /* <ul> */
-}
diff --git a/Math/Number/NumberType.php b/Math/Number/NumberType.php
index de6d487ea..8aac5675a 100644
--- a/Math/Number/NumberType.php
+++ b/Math/Number/NumberType.php
@@ -28,13 +28,13 @@ use phpOMS\Stdlib\Base\Enum;
  */
 abstract class NumberType extends Enum
 {
-    /* public */ const INTEGER = 1;
-    /* public */ const NATURAL = 21;
-    /* public */ const EVEN = 211;
-    /* public */ const UNEVEN = 212;
-    /* public */ const PRIME = 22;
-    /* public */ const REAL = 3;
-    /* public */ const RATIONAL = 4;
-    /* public */ const IRRATIONAL = 5;
-    /* public */ const COMPLEX = 6;
+    /* public */ const N_INTEGER = 0;
+    /* public */ const N_NATURAL = 1;
+    /* public */ const N_EVEN = 2;
+    /* public */ const N_UNEVEN = 4;
+    /* public */ const N_PRIME = 8;
+    /* public */ const N_REAL = 16;
+    /* public */ const N_RATIONAL = 32;
+    /* public */ const N_IRRATIONAL = 64;
+    /* public */ const N_COMPLEX = 128;
 }
\ No newline at end of file
diff --git a/Utils/Converter/AngleType.php b/Utils/Converter/AngleType.php
index bae297be5..21137e848 100644
--- a/Utils/Converter/AngleType.php
+++ b/Utils/Converter/AngleType.php
@@ -28,7 +28,7 @@ use phpOMS\Stdlib\Base\Enum;
  */
 abstract class AngleType extends Enum
 {
-    /* public */ const DEGREE = 'º';
+    /* public */ const DEGREE = 'deg';
     /* public */ const RADIAN = 'rad';
     /* public */ const SECOND = 'arcsec';
     /* public */ const MINUTE = 'arcmin';
diff --git a/Utils/Converter/PressureType.php b/Utils/Converter/PressureType.php
index 9a8e454a7..554b10c22 100644
--- a/Utils/Converter/PressureType.php
+++ b/Utils/Converter/PressureType.php
@@ -34,7 +34,7 @@ abstract class PressureType extends Enum
     /* public */ const ATMOSPHERES = 'atm';
     /* public */ const INCHES_OF_MERCURY = 'inHg';
     /* public */ const INCHES_OF_WATER = 'inH20';
-    /* public */ const MILLIMETERS_OF_WATER = 'mmH2O';
+    /* public */ const MILLIMETERS_OF_WATER = 'mmH20';
     /* public */ const MILLIMETERS_OF_MERCURY = 'mmHg';
     /* public */ const MILLIBAR = 'mbar';
     /* public */ const KILOGRAM_PER_SQUARE_METER = 'kg/m2';
diff --git a/Utils/RnG/DistributionType.php b/Utils/RnG/DistributionType.php
index cc7ff2f5e..544296777 100644
--- a/Utils/RnG/DistributionType.php
+++ b/Utils/RnG/DistributionType.php
@@ -29,6 +29,5 @@ use phpOMS\Stdlib\Base\Enum;
 abstract class DistributionType extends Enum
 {
     /* public */ const UNIFORM = 0;
-
     /* public */ const NORMAL = 1;
 }