Roman army of the mid-Republic x 700m = ca. 50 hectares). Along the perimeter, a ditch ("fossa") would be excavated, and the spoil used to build an earthen rampart ("agger") on the inside of the ditch. On top of the rampart was erected a palisade ("vallum") of cross-hatched wooden stakes with sharpened points. Within this precinct, a standard, elaborate plan was used to allocate space, in a pre-set pattern, for the tents of each of the various components of the army: officers, legionary infantry (split into "hastati", "principes" and "triarii") and legionary cavalry, Italian allied infantry and cavalry, "extraordinarii" and non-Italian allies. The idea was
Picket fence has been installed for years. This is the most popular way to install vinyl fence in Western Canada, where the deep frost can heave concrete footings out of the ground. A picket fence, ideally white, has iconic status as Americana, symbolizing the ideal middle-class suburban life, with a family and children (2.5 children and a dog), large house, and peaceful living. This stems from the fact that houses in quiet, middle-class neighborhoods often have gardens enclosed by picket fences. In recent years, some people have associated picket fences with what they regard as the more negative aspects of this lifestyle.