In North America, this level is generally referred to as graduate school (or sometimes colloquially as grad school). The organization and structure of postgraduate education varies in different countries, as well as in different institutions within countries. This article outlines the basic types of courses and of teaching and examination methods, with some explanation of their history.
alignment - the spatial property possessed by an arrangement or position of things in a straight line or in parallel lines. placement, arrangement - the spatial property of the way in which something is placed; the arrangement of the furniture; the placement of the chairs.
In its most basic form, a wheel alignment consists of adjusting the angles of the wheels so that they are perpendicular to the ground and parallel to each other. The purpose of these adjustments is maximum tire life and a vehicle that tracks straight and true when driving along a straight and level road.