Ducts shall not be related or set up with sheet metal screws or other fasteners that should obstruct the exhaust stream. Dresses dryer exhaust ducts shall not be linked to a vent connector, vent or chimney. Clothing dryer exhaust ducts shall not lengthen into or by ducts or plenums. Security: http://jeffreyxnamz.ezblogz.com/17800081/helping-the-others-realize-the-advantages-of-dryer-repair