surveying large building site. workers building new house, install windows, wall insulation, balcony. industrial building constru

activity apartment architecture assist balcony battens brick build builder building built business cement concrete constru construction contemporary contractor crane dwelling engineering equipment estate exterior frame high hoist home house housing industrial industry install insulation ladder large laths market materials membrane mobilecrane nhbc office outdoors people railing real residential restate rise site skyscraper steel surveying wall window windows workers working