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.
Save. Hemera Technologies/AbleStock.com/Getty Images. Whether you're replacing an existing mailbox or installing a new one, you need to follow U.S. Postal Service requirements and regulations. Among these regulations is the mailbox height, which has been set with the carrier's safety and ease of delivery in mind.