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