ocr: the east wing held what are generally thought to be the living quarters of the rulers. At Knossos the residential area was reached by the Grand Staircase, a marvel of architectural engineering. The living quarters there included a room for bathing and a toilet supplied with running water. At Zakros there was a fine circular swimming pool. In contrast, at Mallia the main component of the eastern part of the palace was industrial: a carefully constructed system of jar stands and channels for processing oil and perhaps also wine. At Knossos and Zakros industrial installations appear in other part ...