10 Bilder zum Thema "ventilation shaft inspection" bei ClipDealer

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Construction workers inspecting parts of ventilation shafts to be installed
Construction workers inspecting parts of ventilation shafts to be installed
a workman checking ventilation pipe
Men examining ventilation system
Additional ventilation shafts in multi-family blocks, protection against carbon monoxide and carbon monoxide poisonin
Additional ventilation shafts in multi-family blocks, protection against carbon monoxide and carbon monoxide poisonin
Additional ventilation shafts in multi-family blocks, protection against carbon monoxide and carbon monoxide poisonin
Additional ventilation shafts in multi-family blocks, protection against carbon monoxide and carbon monoxide poisonin
Additional ventilation shafts in multi-family blocks, protection against carbon monoxide and carbon monoxide poisonin
Additional ventilation shafts in multi-family blocks, protection against carbon monoxide and carbon monoxide poisonin

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