Factory Workers at Machines — Black

2200 × 1723

Factory Workers at Belts

1456 × 1040

Workers on Conveyor Belts

1504 × 1040

Factory floor with workers

2839 × 2240

Women Working in Factory

1400 × 1044

Factory workers in warehouse

2300 × 1830

Worker operating industrial machinery

4500 × 6291

Industrial site with smokestack

1024 × 725

Steam locomotives in a repair shop

2000 × 2116

Ship Propellers and Workers

1536 × 1205

Factory Interior with Machinery — Black

1920 × 1453

Great Lakes Engineering Works

4000 × 3154