http://www.vocabularyserver.com/eurovoc/en/http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207blue-collar worker http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 agricultural labour force RT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 workers' stock ownership RT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 manual worker RT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 working class RT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 unskilled worker NT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 skilled worker NT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 semi-skilled worker NT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 apprentice NT http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2207 socioprofessional category BT