... kits 26 -- 2.2 Electrotechnical kits and modelling 43 -- 3 Electrotechnical kits as material didactic ... ... training tools 49 -- 3.1 Pupils as users of electrotechnical kits 55 -- 3.3 Ergonomics and electrotechnical ... ... kits 62 -- 3.4 Maintaining occupational safety while teaching with electrotechnical kits 64 -- 3.5 Using ... ... electrotechnical kits in general vocational training in contemporary primary schools 65 -- 3.5.1 Humans ... ... kits 115 -- 4.1 Electrotechnical kits for primary schools 120 -- 5 Standards for electrotechnical kits ...