strikes and lockouts 3 Exclude matching results štrajky 3 Exclude matching results alternative energy sources 1 Exclude matching results alternatívne energetické zdroje 1 Exclude matching results climate changes 1 Exclude matching results communist regime 1 Exclude matching results dejiny 1 Exclude matching results environmental problems 1 Exclude matching results environmentálne problémy 1 Exclude matching results fossil fuels 1 Exclude matching results fosílne palivá 1 Exclude matching results global warming 1 Exclude matching results globálne otepľovanie 1 Exclude matching results greenhouse effect 1 Exclude matching results history 1 Exclude matching results industrial enterprises 1 Exclude matching results klimatické zmeny 1 Exclude matching results komunistický režim 1 Exclude matching results menová reforma (1953 : Československo) 1 Exclude matching results monetary reform (1953 : Czechoslovakia) 1 Exclude matching results priemyselné podniky 1 Exclude matching results protest movements 1 Exclude matching results protestné hnutie 1 Exclude matching results príemysel kaučuku 1 Exclude matching results robotníci 1 Exclude matching results robotnícke hnutie 1 Exclude matching results rubber industry 1 Exclude matching results skleníkový efekt 1 Exclude matching results social change 1 Exclude matching results social movements 1 Exclude matching results