Builder at construction site records videos on smartphone. Worker in white hard hat with smartphone at project site
Builder at project site talks on mobile phone. Worker in white hard hat speaks on smartphone at construction site
Worker at construction site. Unfinished construction. Building of foundation. Builder with red hard hat at project site
Master builder in hard hat with design drawings at construction site. Worker with construction documentation at project site
Worker with construction documentation at project site. Master builder in hard hat with design drawings at construction site
Worker with construction documentation at project site. Master builder in hard hat with design drawings at construction site
Master builder in white hard hat with design drawings at construction site. Building supervision. Worker in white hard hat at project site
Building supervision. Master builder in white hard hat with design drawings at construction site. Worker in white hard hat at project site
Master builder in white hard hat with tablet PC at construction site. Building supervision. Worker in white hard hat at project site
Master builder in yellow hard hat with red smartphone on the construction site. Resident engineer with mobile phone on the construction site. Worker in yellow hard hat on the project site
Master builder in yellow hard hat with red smartphone at construction site. Building supervision. Worker in yellow hard hat at project site
African american worker talks on smartphone at construction site. Builder in yellow hard hat speaks on smartphone at project site