The device is particularly useful to clean air exhausted from {TAIL ~ a tail pipe} connected with {HEAD ~ an internal combustion engine}, and is also useful to clean gases emitted from pipes and stacks connected with combustion type devices such as are commonly found in industrial plants 
The device is particularly useful to clean air exhausted from { TAIL ~ a tail pipe } connected with { HEAD ~ an internal combustion engine } , and is also useful to clean gases emitted from pipes and stacks connected with combustion type devices such as are commonly found in industrial plants
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