close-up of a worker's hand covered in dirt and grime, a of hard labor and toil

hand dirty work labor toil grime soil earth dirt brown skin closeup detail rough texture calloused weathered strong power effort sweat struggle perseverance determination hardworking manual construction mining agriculture farmer worker 039 laborer working class rural poverty development economy humanity achievement grit strength challenge hardship survival close-up worker#39aph39#s covered symbol hard