Stefan Wirth 
Connecting pipes with press fitting systems (Instruction for plant mechanics in sanitary, heating and air-conditioning technology) [PDF ebook] 

Instruction from the year 2009 in the subject Instructor Plans: Craft / Production / Trade – Plumber, grade: 1, , language: English, abstract: After the instruction, the trainee will be able to operate the press machine correctly and properly and in compliance with the accident prevention regulations and to make press connections for various pipe systems independently. Simple structure and very easy to imitate. This ensures success.