Who is using it, or which household has equipment to remove crystalline naphthalene from pipes or other substances that adhere to the pipe walls?
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As the title suggests, who is using or has such equipment: to remove crystalline naphthalene from pipes or substances that accumulate on the pipe walls? Or could you tell me what such a device is called?
It seems like one of them is an ultrasonic oscillator
The ultrasonic oscillator you mentioned cannot be used in pipes