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"I am very impressed with the job you have done. Your work as well as your service is very professional. Last week I called and was told it would be another 5 days before my cd would be done, I was kind of upset for the fact it was a christmas present I was having done for my father. Not only did you put a rush on the job at no charge, you got ..."


The fall-off in amplitude when a force applied to a vibrating device is removed.