I've been using the ultrasonic cleaning machine https://machtrade.us/category/washin...anung-machine/ for a few months now and it's really impressive! This is a great way to clean various items such as jewelry, dental instruments, motor parts, etc. The machine is really easy to use and can be set up for different cleaning modes. I have noticed that my clothes are much cleaner after using this machine and it takes much less time than regular cleaning. I would recommend this machine to anyone who is looking for a fast and efficient way to clean.