Aged man looks in laptop reading instruction about aircraft
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
construction workers on a large tunnel construction site
Focused male storehouse employee in helmet and vest talking on radio set during work in storehouse. Bearded supervisor giving instructions to workers by radio while standing at rack in warehouse
construction workers on a large tunnel construction site