Wide shot of two engineers or technician man discuss together using building plan or drawing and they also stay on roof…

Young engineer man use walkie talkie to contact with his team and stand beside senior coworker who hold building plan o…

sritanan DP-601209672

Two engineers or technician man discuss together using building plan or drawing and they also stay on rooftop area of c…

sritanan DP-601205942

Wide shot of two engineers or technician man discuss together using building plan or drawing and they also stay on roof…

sritanan DP-601209734

Two engineer man as young and senior worker talk and discuss during walk along air vent line on rooftop of construction…

sritanan DP-601210956

Close up shot young and senior engineer man work together using building plan or drawing in workplace of construction s…

sritanan DP-601206066

Close up scene with two engineers or technicians talk together and stay on rooftop of construction site.

sritanan DP-601211170

Young engineer point his hand to the front and explain to senior coworker and they also stay near line of air vents at …

sritanan DP-601207862

Young engineer hold drawing plan of building and discuss with senior coworker and they also stay on rooftop of construc…

sritanan DP-601209828

Close up scene with two engineers or technicians talk together and stay on rooftop of construction site.

sritanan DP-601213800

Wide shot of two engineers or technician man discuss together using building plan or drawing and they also stay on roof…

sritanan DP-601205988

Two technician or professional engineers express happiness during work together on rooftop of construction site.

sritanan DP-601209840

Senior engineer man look to drawing plan and discuss with young foreman or technician during work at construction site.

sritanan DP-601209598