electrotechnics 21 engineering drawing 20 electronics 13 mechanical engineering 10 clothes 9 joiner works 9 technical mechanics 8 more ... materials 7 repairs 7 ground structures 7 machines 7 circuits theory 7 zabezpečovací technika 7 wood 6 electric traction 6 electronic circuits 6 knitted fabrics 6 fabrics 6 railway transport 6 cars 5 dřevozpracující stroje 5 electric drives 5 elektrické světlo 5 electric heat 5 furniture 5 machining 5 shoes 5 building constructions 5 stavební výkresy 5 machine parts and joints 5 less ...