masmédiá 2 [vynechat] rail transport 2 [vynechat] Electric wiring 1 [vynechat] air navigation 1 [vynechat] angličtina 1 [vynechat] animal behavior 1 [vynechat] aviation 1 [vynechat] conflicts 1 [vynechat] costs 1 [vynechat] dejiny 1 [vynechat] dejiny civilizácie 1 [vynechat] discoveries and inventions 1 [vynechat] divoké zvieratá 1 [vynechat] economic indicators 1 [vynechat] ekonomické ukazovatele 1 [vynechat] electric conductivity 1 [vynechat] electricity 1 [vynechat] elektrická vodivosť 1 [vynechat] elektrické inštalácie 1 [vynechat] elektrina 1 [vynechat] emócie 1 [vynechat] fishes 1 [vynechat] gramatika 1 [vynechat] granty 1 [vynechat] helicopters 1 [vynechat] history of civilization 1 [vynechat] hra na gitare 1 [vynechat] human-animal relationships 1 [vynechat] informačná spoločnosť 1 [vynechat] intelektuálny život 1 [vynechat]