Instead, he found a sonic jewelry cleaner. The main shortcoming of the consumer level one is the fact that it can only go for 3 minute intervals. He needed up to an hour at a time. His solution ...

Instead, he found a sonic jewelry cleaner. The main shortcoming of the consumer level one is the fact that it can only go for 3 minute intervals. He needed up to an hour at a time. His solution ...

We may receive a commission on purchases made from links. Have you ever tried cleaning burnt grease off a small washer? It's surprisingly difficult. There is so little surface area to grip that it ...