Describe how sheet-metal ductwork is sealed

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Reference no: EM131374274

1. Describe how two pieces of round sheet-metal pipe are joined.

2. Describe how sheet-metal ductwork is sealed.

3. Describe how to join fiberboard duct.

Reference no: EM131374274

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Describe how sheet-metal ductwork is sealed : Describe how two pieces of round sheet-metal pipe are joined.
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