Ship Propellers and Workers

1536 × 1205

Workers on Conveyor Belts

1504 × 1040

Factory Workers at Machines — Black

2200 × 1723

Women Working in Factory

1400 × 1044

Factory workers at a machine shop

1029 × 1024

Factory workers in warehouse

2300 × 1830

Workers at a port construction site

1000 × 661

Factory Workers at Belts

1456 × 1040

Avant-Guard workers in San Francisco

1865 × 1815

Ship in Dry Dock — Black, Industrial

1920 × 1080

Ship on Dry Dock — Black

1920 × 1200

Steam Locomotives in Yard

1700 × 1793