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In the usual process of lint is lint trapped while air is exhausted through the system. If there are no barriers in this system would be limited to air, and so your dryer has to work overtime to get it published. The whole process that evolves easily overheat the engine and can cause a fire dry.
Unlike many other materials that can be found in a soft home dryer is highly flammable and, therefore, can ignite with very short notice. If treatment has not been properly established so the fire can spread throughout the house, thus making the material and life in great danger.Dryer Vent Cleaning