However, as projects become larger than 50,000 square feet, the lower price of concrete starts to offset tilt-up construction's fixed costs and this method becomes cost-competitive with a metal building.ccording to the Tilt-up Concrete Association, at least 10,000 buildings are constructed annually that enclose more than 650 million square feet. Tilt-up concrete construction is not new; it has been in use for well over a century.
A castle (from Latin: castellum) is a type of fortified structure built in Europe and the Middle East during the Middle Ages by nobility.Scholars debate the scope of the word castle, but usually consider it to be the private fortified residence of a lord or noble.he word castle is derived from the Latin word castellum which is a diminutive of the word castrum, meaning fortified place. The Old English castel, Old French castel or chastel, French chateau, ChÃ¢teau spanish, Castillo italian, castello and a number of words in other languages also derive from. castellum
Turret (highlighted) attached to a tower on a baronial building in Scotland. In architecture, a turret (from Italian: torretta, little tower; Latin: turris, tower) is a small tower that projects vertically from the wall of a building such as a medieval castle. Turrets were used to provide a projecting defensive position allowing covering fire to the adjacent wall in the days of military fortification.