Category:Men wearing hard hats

Subcategories

This category has the following 3 subcategories, out of 3 total.

Media in category "Men wearing hard hats"

The following 24 files are in this category, out of 24 total.

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  13-Foot Diameter Hydrogen Tank Tested in the K-Site Test Chamber.jpg 2,048 × 1,536; 597 KB
  
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  230629-M-PM375-1080 - Behind the scenes - 12th Marine Regiment prepares for exercise Resolute Dragon 23.jpg 4,365 × 6,547; 4 MB
  
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  230629-M-PM375-1103 - Behind the scenes - 12th Marine Regiment prepares for exercise Resolute Dragon 23.jpg 6,702 × 4,468; 4.02 MB
  
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  Ann Montgomery NASA engineer Apollo 11 era and team on bridge.jpg 2,800 × 2,188; 647 KB
  
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  Ann Montgomery NASA engineer Apollo 11 era and team.jpg 1,000 × 750; 368 KB
  
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  Blue Grass Chemical Agent-Destruction Pilot Plant Control and Support Building (9969535664).jpg 4,288 × 2,848; 3.01 MB
  
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  Blue Grass Chemical Agent-Destruction Pilot Plant Current Project Staffing (6195052233).jpg 4,288 × 2,848; 3.43 MB
  
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  Blue Grass Chemical Agent-Destruction Pilot Plant Deck Work (4931709619).jpg 3,000 × 4,000; 3.97 MB
  
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  Dirk Kempthorne inAsheville, North Carolina 2006-11-06.jpg 4,288 × 2,848; 4.42 MB
  
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  Embalse y parte del dique La Toma Palmarito, Norte de Maracay, Venezuela.jpg 2,848 × 2,134; 897 KB
  
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  INEEL 58-1360 HAER ID-33-D-64 195650pu.jpg 4,063 × 3,158; 4.22 MB
  
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  Key Bridge Response 2024 (240402-G-KH296-2249).jpg 5,372 × 3,574; 1.41 MB
  
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  Mijnwerker 1947 02-00-1947 18935.jpg 966 × 1,000; 230 KB
  
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  Parte del dique La Toma Palmarito, Norte de Maracay, Venezuela.jpg 2,558 × 1,823; 964 KB
  
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  Senator Davis and Tractor Worker.JPG 1,031 × 701; 226 KB
  
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  Sl-1-ineel61-667.jpg 1,261 × 884; 278 KB
  
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  SWING IT BROTHER - NARA - 515515.jpg 2,259 × 3,000; 798 KB
  
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  Trabajador en el Embalse a nivel del dique La Toma Palmarito, Norte de Maracay, Venezuela.jpg 2,848 × 2,134; 1.06 MB
  
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  Unified Command opens second temporary alternate channel around Key Bridge wreckage for commercially essential vessels (240402-G-KH296-2218).jpg 5,280 × 3,512; 2.43 MB
  
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  Unified Command opens second temporary alternate channel around Key Bridge wreckage for commercially essential vessels (240402-G-KH296-2219).jpg 6,048 × 4,024; 1.84 MB
  
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  Unified Command opens second temporary alternate channel around Key Bridge wreckage for commercially essential vessels (240402-G-KH296-2222).jpg 6,048 × 4,024; 1.75 MB
  
• Unified Command opens second temporary alternate channel around Key Bridge wreckage for commercially essential vessels (240402-G-KH296-3001).webm 49 s, 1,920 × 1,080; 97.09 MB
  
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  US Navy 030827-N-3228G-001 Equipment Operator Construction Apprentice Ryan Fuller assigned to Construction Battalion Unit 413 (CBU-413) removes ground cover from the lawn of the USS Utah Memorial on Ford Island.jpg 2,250 × 1,500; 1.01 MB
  
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  US Navy 030827-N-3228G-002 Equipment Operator Construction Apprentice Ryan Fuller assigned to Construction Battalion Unit 413 (CBU-413) removes ground cover from the lawn of the USS Utah Memorial on Ford Island with his backho.jpg 1,500 × 2,250; 1.04 MB