Too much rosin will cause the bow to grip too well, producing a scratchy sound. If you over-rosin your bow, it's fine; it'll just take a few hours of playing to bring it back down to the correct level.
U.S. Citizenship and Immigration Services (USCIS) directs customers who have questions about immigration services and benefits, or who wish to inquire about a specific case, to call the agencyâs National Customer Service Center (NCSC) at 1-800-375-5283. The NCSC operates on a two-tier model.
You can make a general complaint using the standard customer service phone number: 1-800-ASK-USPS (1-800-275-8777) 1  Note that the TTY number is: 1-800-877-8339.  Customer service hours of operation are 8:00 AM through 8:30 PM EST on Monday through Friday and 8:00 AM through 6:30 PM on Saturday.