air duct automatic fire sprinkler safety system protection and detector building interior concept |
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| navigate by keyword : air architecture automatic background building business ceiling circulation cold concept conditioner conditioning construction cool cooling design detector distribution duct ducting electric electrical electricity engineering equipment fire flow indoor industrial industry installation interior lamp light line modern opened pipe pipeline plumbing protection safety sprinkler system technology tube underground vent ventilation wall white wires wiring |
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| Air duct, automatic fire sprinkler safety system. Fire protection and detector. Fire sprinkler system. Building interior concept. Ceiling lamp light with opened light. Interior architecture concept |
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