1200x743pxStrike action, Trade union, human protest, general Strike, labor solidarity, workers' rights, union movement
1600x1600pxLabour Day celebration, labor day event, May Day greeting, workers' day, red fist symbol, solidarity movement, international workers' rights
2400x2400pxraised fist laborer, communism symbol, marxism icon, red fist logo, solidarity gesture, worker empowerment, revolutionary art
800x800pxconstruction worker hand, Trade union symbol, International Labor Day illustration, Labor Day hand drawn artwork, union worker protest, workers rights icon, industrial solidarity graphic
2293x1650pxpeople holding protest signs, labor union demonstration, strike action silhouette, United States trade union protest, worker solidarity movement, collective bargaining visuals, labor rights advocacy
1200x630pxFSPMI logo, Indonesian metal workers union, labor organization emblem, industrial labor branding, union symbol design, worker solidarity icon, metal industry association mark
4519x2500pxInternational Workers Day poster, city silhouettes, revolutionary workers, construction worker silhouettes, labor day celebration, urban skyline art, worker solidarity graphics
