Behaviour that usually results in pollution is sometimes intentional in order to show deference and respect; by doing that which under other circumstances would be defiling, an individual expresses his inferior position.
If you want to change selection, open document below and click on "Move attachment"
pdf
owner:
Felvio - (no access) - [Mary_Douglas]_Purity_and_Danger_An_Analysis_of_C(b-ok.org).pdf, p18