Engineers designers stand on the roof of the building under construction and discuss the plan and the progress of construction using a tablet and mobile phone

building contractor construction industry building - activity engineer digital tablet technology using digital tablet portable information device mobile app blue-collar worker modern working touchpad smart phone mobile phone wireless technology design professional touch screen two people men computer examining networking colleague teamwork foreperson architect drawing - activity planning russia internet communication manager discussion occupation film - moving image blueprint explaining women non us film location people white people design 4k resolution adult telephone advice touching city horizontal adults only house