Approval.

cs/units_count_parts_set.php

@@ -1,10 +1,10 @@
 <?PHP
 declare(strict_types = 1);
 $units_count_parts_set = array (
-  'parts' => 'Parts',
-  'pages' => 'Pages',
-  'sheets' => 'Sheets',
-  'double_pages' => 'Double pages',
-  'standalone_sheets' => 'Standalone sheets',
-  'written_pages' => 'Written pages',
+  'parts' => 'Díly',
+  'pages' => 'Stránky',
+  'sheets' => 'Listy',
+  'double_pages' => 'Dvojité stránky',
+  'standalone_sheets' => 'Samostatné listy',
+  'written_pages' => 'Psané stránky',
 );