African american workman stands at construction site, looks in work papers and speaks via portable radio transmitter
Slow Motion African american builder stands at construction site, looks in work papers and speaks via portable radio transmitter
African american workman stands at construction site and speaks via portable radio transmitter
African american worker stands at construction site, holds in hands work papers and talks via portable radio transmitter
African american work superintendent stands at construction site, looks in work papers and speaks via portable radio transmitter. Cinema 4K 60fps video
African american worker stands at construction site, looks in work papers and talks via portable radio transmitter. Cinema 4K 60fps video
Railway worker with portable radio transmitter near goods trains. Railway employee on railway line near freight station speaks via portable radio transmitter, worker communicates via radio station
Railway worker with portable radio transmitter near goods trains. Railway employee on railway line near freight station speaks via portable radio transmitter, worker communicates via radio station
Railway worker with portable radio transmitter near goods trains. Railway employee on railway line near freight station speaks via portable radio transmitter, worker communicates via radio station
Railway worker with portable radio transmitter near railway terminal. Railway employee on railway line near freight station speaks via portable radio transmitter, worker communicates via radio station
Railway worker with portable radio transmitter near goods trains. Railway employee on railway line near freight station speaks via portable radio transmitter, worker communicates via radio station
Railroader with portable radio transmitter near goods trains. Railway employee on railway line near freight station speaks via portable radio transmitter, worker communicates via radio station