female engineer wearing helmet outdoors

female builder outdoors working architect sitemanager person maintenanceman examining constructionworker manualworker officebuilding professional safetyequipment trainee constructionframe girl plan constructionindustry safetyjacket exterior occupation housingdevelopment protection instructor woman selectivefocus scaffolding buildingcontractor technician concentrated foreman project people protectiveworkwear repairman hardhat worker worktool safetyhelmet