How to (re)make a 'prehistoric pot'? A small synthesis based on the study of chalcolithic pottery of Zambujal (Torres Vedras, Portugal) and also on the current manufacture of Mapuche pottery (Lumaco, Chile) - Amaro, Gonçalo de Carvalho (Oppidum : Cuadernos de investigación, 16. 2020, 1885-6292, 2020)