600x600pxconstruction worker icon, architectural engineering symbol, building logo, laborer with tools, construction industry graphic, engineering profession emblem, hard hat worker illustration
4135x4000pxwelder worker logo, welding tools icon, industrial worker emblem, welders team mascot, construction worker graphic, safety gear illustration, professional trades logo, png
1200x630pxFSPMI logo, Indonesian metal workers union, labor organization emblem, industrial labor branding, union symbol design, worker solidarity icon, metal industry association mark
