Despite the Romans' common use of lead pipes, their aqueducts rarely poisoned people. Unlike other parts of the world where lead pipes cause poisoning, the Roman water had so much calcium in it, that a layer of plaque prevented the water contacting the lead itself.
OMB definition, Office of Management and Budget: the division of the Executive Office of the President that prepares and administers the federal budget and improves management in the executive branch. See more.
Today, the OMB has about 500 employees and is the largest office within the Executive Office of the President (EOP) â the Presidentâs immediate staff and their supporting personnel. The EOP, in total, has about 4,000 employees.