A gybe preventer, preventer, or jibe-guard, is a mechanical device on a sailing vessel which limits the boom's ability to swing unexpectedly across the...

blowout preventers. The abbreviated term preventer, usually prefaced by a type (e.g. ram preventer), is used to refer to a single blowout preventer unit...

The Cameron ram-type blowout preventer was the first successful blowout preventer (BOP) for oil wells. It was developed by James S. Abercrombie and Harry...

piping. To reduce the risk of contamination, a backflow preventer can be fitted. A backflow preventer is also important when potentially toxic chemicals are...

HMS Preventer (Z265) was a net laying ship for the Royal Navy during the Second World War acquired from the United States Navy in September 1944 via Lend-Lease...

The prevent defense is a defensive alignment in American football that seeks to prevent the offense from completing a long pass or scoring a touchdown...

vaccine-preventable disease is an infectious disease for which an effective preventive vaccine exists. If a person acquires a vaccine-preventable disease...

and the blowout preventer, which failed to fully engage. A number of significant problems were identified with the blowout preventer: There was a leak...

overwhelmed. Gas alarm system failed. Flat battery in the blowout preventer. The blowout preventer incorporated systems which included a flat battery and a defective...

Look up prevention or prevent in Wiktionary, the free dictionary. Prevention may refer to: Preventive healthcare, measures to prevent diseases or injuries...