supervisor showing something to coworker holding laptop at construction site

30s 3539 4044 40s adult architect authority away beginnings building business caucasian clothing colleague communications computer connection construction contractor conversation daytime discussion engineer equipment ethnicity explaining gesturing halflength hard hardware hat helmet holding industry internet laptop looking male man manager men midadult middleaged occupations outdoors people pointing poland professional protection protective safety showing site standing sunshine supervisor teamwork technology transportation two vehicle vest warsaw wifi wireless worker working years