The C2TN researcher Helena Casimiro was responsible for the training "Materiais macromoleculares processados por tecnologias alternativas" that took place at C2TN (from 01-07-2019 to 05-07-2019) integrated in the programme "Ciência Viva no Laboratório - Ocupação Científica de Jovens nas Férias", an initiative promoted by Ciência Viva in collaboration with the scientific community.