Archimedes' screw the screw and casing could be cast together as a single piece in bronze. The design of the everyday Greek and Roman water screw, in contrast to the heavy bronze device of Sennacherib, with its problematic drive chains, has a powerful simplicity. A double or triple helix was built of wood strips (or occasionally bronze sheeting) around a heavy wooden pole. A cylinder was built around the helices using long, narrow boards fastened to their periphery and waterproofed with pitch. The screw was used predominately for the transport of water to irrigation systems and for dewatering mines or other low-lying
Celebrity Pornhab with Dr. Screw Rehab with Dr. Drew". These include: Shifty Shellshock, Jeff Conaway, Ricco Rodriguez, Tawny Kitaen, Chyna, Brigitte Nielsen, Lindsay Lohan, who is known for her substance abuse problems, and actress/singer Hilary Duff, who does not have any history of substance abuse. Celebrity Pornhab with Dr. Screw Celebrity Pornhab with Dr. Screw is a 2009 pornographic film that satirizes the VH1 reality series "Celebrity Rehab with Dr. Drew". The film stars Mary Carey & Mike Horner. This film marks Carey's comeback to adult films. Carey, an alumna of both "Celebrity Rehab" and "Celebrity Rehab Presents Sober House", stars in this film and