In the first part of this dissertation. selected models and standards from Germany and the USA were introduced. based on a literature review and thus revealing what is considered relevant for practice in a variety of sources and which competencies preservice teachers should acquire. according to these sources. https://www.bekindtopets.com/top-super-H-S-Motorsports-122011-Intercooler-Pipe-Upgrade-Kit-2011-2016-Ford-6-7-Powerstroke-hot-value/