Category:Men wearing hard hats

Subcategories

This category has only the following subcategory.

Media in category "Men wearing hard hats"

The following 29 files are in this category, out of 29 total.

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  1 lifestyle.jpg 3,636 × 4,600; 9.28 MB
  
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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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  230430-O-DO492-970 - Red Sea.jpg 6,720 × 4,480; 7.78 MB
  
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  230629-M-PM375-1075 - Behind the scenes - 12th Marine Regiment prepares for exercise Resolute Dragon 23.jpg 6,687 × 4,458; 3.49 MB
  
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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-PM375-1089 - Behind the scenes - 12th Marine Regiment prepares for exercise Resolute Dragon 23.jpg 4,480 × 5,952; 3.68 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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  Bruce Landsberg at 2021 Montana derailment.jpg 5,472 × 3,648; 4.6 MB
  
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  Ecologicalservantsprojectvolunteer.jpg 3,024 × 4,032; 2.44 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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  Grouphighwaypicture.jpg 3,024 × 4,032; 4.9 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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  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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  U.S. Army Corps Of Engineers support debris removal operations (240401-A-SE916-2006).jpg 8,192 × 5,464; 2.78 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