The examination book covers exam-relevant content and topics for preparation for intermediate, journeyman, master, technician, and school graduation exams. It also serves in master schools, technician schools, and academies for skilled trades to recover and secure foundational knowledge. The topics listed in the examination requirements are distributed across 15 customer projects. The exemplary projects are formulated with a customer focus and comprehensively cover many areas of a customer project, from the initial customer conversation to the acceptance or handover of the delivered service. Each project includes technological, work planning, and mathematical tasks. The tasks of the exemplary customer projects are consistently structured according to the examination regulations, covering the examination areas of design and construction, planning and production, as well as assembly and service.