Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Metal columns with curve roof beam inside of factory building structure in construction site
Metal roof beam and columns outline of new warehouse building structure in construction site
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Segmental assembly box girder formwork on elevated expressway column structure in construction site
Large industrial factory building structure with metal roof beam and columns in construction site
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Green metal columns with roof beam of industrial factory building structure in construction site
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Large geometric factory building structure with metal roof beam and columns in construction site
Metal Roof Beam and Columns with Industrial office Building Structure in Factory Construction Site
Cast Iron Formwork for Large Concrete Columns Structure of Flyover Expressway in under Construction
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Metal roof beam and columns with concrete industrial office building structure in construction site
Metal roof beam and columns of new warehouse building structure in construction site area
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Metal column and roof beam structure of industry warehouse factory building in construction site
Steel wall framework structure with metal columns inside of factory building in construction site
Male Asian construction contractor engineer checks structural plans, engineers concrete columns
Metal column and roof beam structure of industry warehouse factory building in construction site
Metal columns and roof beam with block wall structure of factory building in construction site
Steel wall framework structure with metal columns inside of factory building in construction site
Metal roof beam and column of incomplete industrial factory building structure in construction site
Metal curve roof beam and columns outline of industrial building structure in construction site
Metal columns and roof beam with concrete industrial office building structure in construction site
Factory building structure with metal columns and roof beam in construction site against blue sky
Yellow aluminum wall with black metal column of two street kiosks structure in under construction
