Blue collar worker Category page Create Classic editor Talk0 This page needs content. You can help by adding a sentence or a photo. Add to this page!orSearch for "Blue collar worker" “Assessment| Biopsychology| Comparative| Cognitive| Developmental| Language| Individual... Skilled industrial workers Pages in category "Blue collar worker" This category contains only the following page. S Skilled industrial workers Retrieved from "http://psychology.wikia.com/wiki/Category:Blue_collar_worker"