work occupation profession construction construction worker builder concrete builder business large construction building site concrete construction concreting men hard hat iron rod compacting compression compressing form mould concrete boarding ceiling form ceiling boarding reinforcing iron
Arbeit Beruf Bau Bauarbeiter Betonbauer Wirtschaft Großbaustelle Betonieren Männer Bauhelm Eisenstange Verdichtung verdichten Betonschalung Deckenschalung Armiereisen
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