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Related to preventer: Blowout preventer

PREVENT

Cardiology Any of a number of clinical trials:
1. Prevention of Recurrent Venous Thromboembolism.
2. Program in Ex Vivo Vein Graft Engineering via Transfection.
3. Proliferation Reduction with Vascular Energy Trial.
4. Prospective Randomized Evaluation of the Vascular Effects of Norvasc® Trial.

prevent,

v to keep from happening or existing, especially by precautionary measures.
References in periodicals archive ?
Mobile Identity Theft Preventer scans and detects various privacy threats, including odd/risky permission settings, and features a camera and microphone blocker to offer a true-privacy block to your device.
Preventers usually come in brown, white, red or orange inhalers.
org/news/2016/01/12/uganda-suspend-crime-preventers) called on the Ugandan government to immediately suspend the program ahead of the presidential election, saying crime preventers have acted in partisan ways and carried out brutal assaults and extortion with no accountability.
If they are using their preventer inhaler correctly, there shouldn't be much need for the reliever inhaler, which is for when they get breathless.
But ''The problems with this blowout preventer were worse than we understood,'' safety board managing director Daniel Horowitz said in an interview.
US-based pressure equipment company Cameron (NYSE:CAM) disclosed on Thursday the receipt of an order for a 25,000 psi blowout preventer stack and 25,000 psi manifold.
The DNV engineers postulated that one of the pipe's tool joints was positioned just below the upper annular preventer, which was closed on the drill pipe.
The Tornar Deep Water BOP cleaner is an advanced vortex cleaning technology which removes wellbore debris from blowout preventer and marine riser cavities safely, rapidly and reliably in challenging depths, using a powerful vortex suction effect.
BP have sued Cameron International Corp for negligence, after a blowout preventer made by the company failed to avert last year's Gulf of Mexico oil spill.
Transocean spokesman Lou Colasuonno said the blowout preventer was "inspected, tested and went through a rigorous maintenance schedule prior to being placed on the Macondo well and was then tested weekly, right up until 72 hours prior to the blast.
The blowout preventer was placed into a metal contraption specifically designed to hold the massive device.
British Petroleum has successfully replaced a failed blowout preventer from atop its ruptured Gulf of Mexico oil well late on Friday, the top US official overseeing the spill response said.