príemysel kaučuku rubber industry 3 Exclude matching results extruders 2 Exclude matching results vytlačovacie stroje 2 Exclude matching results robotnícke hnutie 1 Exclude matching results social change 1 Exclude matching results sociálna zmena 1 Exclude matching results strikes and lockouts 1 Exclude matching results working class movement 1 Exclude matching results štrajky 1 Exclude matching results