Curso de serigrafia (nível I)
SeriTerças is a month-long, four-session Level I screen-printing course for beginners with no previous experience. You’ll learn to make film positives, coat and develop screens, mix colours, print, and sign editions.

Image: from the event entry at Agenda Porto.
Source: Agenda Porto (Câmara Municipal do Porto). Details can change; the original entry is the reference.