Railroad worker with tools

1519 × 1227

Child labor at a mine site

1200 × 869

man operating industrial machine

1920 × 1080

Worker welding car parts

1554 × 1000

Men in a parts warehouse

2400 × 1821

Workers processing hay in a factory

1365 × 1062

Women working in a factory

3124 × 3684

Worker cutting metal with sparks

4884 × 3744

Man operating a mechanical press

1920 × 1200

Sugar cane harvest workers

1024 × 673

Brickyard laborers at work

1600 × 1200

Farm workers in a field

950 × 703