General hospital isolation units - these provide source isolation facilities for hospital-acquired infections; they also provide facilities for protective isolation and for the screening of patients with suspected infections before admission to a general ward or transfer to a communicable diseases unit.
The David is considered a masterpiece, an ideal male form combining heroic strength and human uncertainty. It is erected in 1504 in the public plaza of Florence, the Piazza della Signoria.
The bronze David. Donatello's bronze statue of David (circa 1440s) is famous as the first unsupported standing work of bronze cast during the Renaissance, and the first freestanding nude male sculpture made since antiquity. It depicts David with an enigmatic smile, posed with his foot on Goliath's severed head just after defeating the giant.