Archimedes' screw pipe does not need to be perfectly watertight, as long as the amount of water being scooped with each turn is large compared to the amount of water leaking out of each section of the screw per turn. If water from one section leaks into the next lower one, it will be transferred upwards by the next segment of the screw. In some designs, the screw is fused to the casing and they both rotate together, instead of the screw turning within a stationary casing. The screw could be sealed to the casing with pitch resin or other adhesive, or
Celebrity Pornhab with Dr. Screw 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 pokes fun at herself and the reality show. The film also stars Penny Flame, who shortly after this film, herself became a patient on "Sex Rehab with Dr. Drew", a "Celebrity Rehab" spin-off. Release of the film initiated a series