Successful result

Automobile exhaust is here

Silencer for household boilars

Customers using household (oiled) hot-water boilers in winter seasons As a result of inconveniences to neighboring residents when using at midnight, consulted about the noise of exhaust combustion gases and installed a silencer like a photo I was allowed to do.

As a result, complaints of neighboring residents are said to disappear.

Silencer for autoclave
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