Athenian cultural dominance continued throughout the Roman period, and the buildings added to the Agora reflect the educational role of the city, a role that ended only with the closing of the pagan philosophical schools by the Christian emperor Justinian in A.D. 529.
Bearing, in machine construction, a connector (usually a support) that permits the connected members to rotate or to move in a straight line relative to one another. Often one of the members is fixed, and the bearing acts as a support for the moving member. Most bearings support rotating shafts against either transverse (radial) or thrust (axial) loads.
Load bearing is a term used to describe any structure or support  system designed to bear a load of some sort. High load bearing,  by definition, implies that the item w â¦ ill hold heavier weights and  higher levels of stress.he gun might have a toggle switch at the back for left or right barrel, or two triggers. If you thought bears may be in the area you might load a slug round (a single pellet roughly equivalent to a .45 cal round) into one barrel.