Rare, but some libraries (Onleihe) offer digital rental of technical books for a small fee.
In the world of German vocational education (Ausbildung), few resources are as revered as the published by Europa-Lehrmittel . For decades, this reference book has been the constant companion of metalworkers, industrial mechanics, machinists, and engineering students. europa-lehrmittel tabellenbuch metall pdf
The physical book weighs nearly 1 kg (2.2 lbs). A PDF version on a tablet or smartphone is significantly lighter and easier to carry around the workshop or to vocational school (Berufsschule). Rare, but some libraries (Onleihe) offer digital rental