Jalousie window while keeping out water was deemed unsatisfactory by the study's authors. Jalousie windows also have several other drawbacks. Traditional style jalousie windows offer poor overall resistance to water penetration and drafts and are difficult to positively secure, as their slats are easily and silently removed. In addition to the inability to keep out water, they do not provide a secure barrier to keep air conditioned air inside. Also, the metal parts which make up the windows moving mechanism are prone to corrosion in humid environments, leading to damage such as broken or missing cranks. Jalousie windows are objects of scorn
Bay of All Saints area with an average depth of . The Paraguaçu River travels to empty into the bay and the coastal lowlands of the Reconcavo Basin are at its mouth. It contains 91 islands, the largest being Itaparica Island at its entrance. The Italian explorer Amerigo Vespucci was the first European to visit the bay, during his second expedition to the Americas. He entered the bay on All Saints' Day (November 1), 1501. He named the of after the date and his parish church in Florence, San Salvatore di Ognissanti. Initially, the bay, its principal settlement, and the captaincy around it all