Worker on construction site. Foreman in yellow hard hat with tools 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
Chief superintendent engineer at construction site. Worker in yellow hard hat at project site. Engineering supervision
Chief superintendent engineer at construction site. Worker in yellow hard hat at project site. Engineering supervision
Worker at construction site. Unfinished construction. Building of foundation. Builder with red hard hat 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 hard hat with design drawings at construction site. Worker with construction documentation at project site
Worker on construction site. Supervisory personnel at construction site. Job inspector in yellow hard hat at project site. Engineering supervision, builder write notes
Worker in white hard hat with building drawings at project site. Manager of the works at construction site
Manager of the works at construction site. Worker in white hard hat with building drawings at project site