This lesson introduces apprentices to the very essential part of metal-working and although they may not do any sand-casting in practice, it is essential to understand the basic principles of the process. Understanding and following procedures is very important in any technical profession.

It describes the struggle during the COVID-forced online learning, with very limited online tools when within a very short period of time, the opportunity to activate and explain the topic to the pupils in a targeted and individual way by demonstration on the aids was not available anymore and smartphones were the only means of online communication for some of the pupils.