Transcription: Installation of air show pulsate. Gain of derivation. Reprise air. Register of reglases. Bush of sufflages. Gain principle. Planum. Generator of air show. Conduit of vertical distribution. Coude. Forced warm air system. Branch duct. Return air. Damper. Hot air register. Main duct. Planum. Furnace. Wall stack. Elbow.
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