Ventilation system on the ceiling of large buildings. Ventilation pipes in silver insulation material hanging from the ceiling inside new building.

Published at 2121 × 1414 in Ventilation system on the ceiling of large buildings. Ventilation pipes in silver insulation material hanging from the ceiling inside new building.

Ventilation system on the ceiling of large buildings. Ventilation pipes in silver insulation material hanging from the ceiling inside new building

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