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Cleaning guides: The profession of domestic help explained
Vorm DC's cleaning guides have been a standard in the sector since 2015. The simple booklets cover all the basic themes of the profession of a domestic helper. For example, we specifically discuss floor maintenance or sanitary facilities, but …
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Tangible material -
QElectroTech: Drawing electrical diagrams
QElectroTech is open source software to draw electrical diagrams free of charge. In addition to the software, you will also find a manual, videos and sample diagrams on this website.
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App or softwareTeacher