If the sewer blockage situation is not serious, many people will use their own communication channels cut to divert drainage. Though the qu shui for the strong acidic or alkaline corrosive liquid that can dissolve dirt in general, but with no method is easy to hurt innocent people. According to some experts pointed out that the external walls of many old buildings in urban areas sewers, mostly iron and copper pipes, used for many years already old in the event through the qu shui easily ...Do not use cast iron with sulfuric acid drainage drainage
Saturday, October 15, 2011
Do not use cast iron with sulfuric acid drainage drainage
If the sewer blockage situation is not serious, many people will use their own communication channels cut to divert drainage. Though the qu shui for the strong acidic or alkaline corrosive liquid that can dissolve dirt in general, but with no method is easy to hurt innocent people. According to some experts pointed out that the external walls of many old buildings in urban areas sewers, mostly iron and copper pipes, used for many years already old in the event through the qu shui easily ...Do not use cast iron with sulfuric acid drainage drainage
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