    Ð°Ð½ Obstetrician is a physician who has successfully completed specialized education and training in the management of pregnancy, labor, and the puerperium (the t â¦ ime-period directly following childbirth).n Obstetrician specializes in the care and treatment of pregnant women during their pregnancy, labor, delivery and the postpartum period.
Animal skins were used as sails for the earliest boats and rafts. The Egyptians and other ancient people wove reeds together in mats to make sails, but the Egyptians were also the first to make cloth sails as early as 3300 B.C. Great sailors of the Mediterranean region like the Phoenicians sailed under cloth sails.
(images via: ntnews, ntnews, spluch, blogspot, webshots) Boats have been made from used beer cans by using silicon to hold the cans together and seal out water. Brad Gillam, Rob Meharg and Chris Taylor used approximately 8,000 gold beer cans to build their boat and sailed from from Ipswich to Brisbane, Australia in it.