https://learnenglishteens.britishcouncil.org/vocabulary/beginner-vocabulary/patterns-materials
https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Materials/What_are_they_made_of$_xy2392ey
https://www.edu.xunta.gal/espazoAbalar/sites/espazoAbalar/files/datos/1574074755/contido/vocabulary_materials_and_containers.html