When systemic vasculitis is suspected, the diagnostic work-up can be approached in a stepwise fashion: 1  Attempt to exclude other processes, particularly infection, thrombosis and neoplasia, that can cause secondary vasculitis or can have features that mimic vasculitis,5,6 (Table 3).
Q: What is the regulation height for a mailbox? A: According to the United States Postal Service, a mailbox should be positioned between 41 and 45 inches above the ground level. A mailbox should also be pla... Full Answer > Filed Under: Mail & Shipping.
Out-going mail of all designs must be able to be pulled straight out of the mailbox without interference from protrusions, hardware, etc. Mailboxes must be capable of passing the applicable testing requirements in 3.15. Mailboxes must not be made of any transparent, toxic, or flammable material (see 3.3). The mailbox must protect mail from potential water damage which may result from wet weather conditions see section 3.15.3.