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Impaneling: Selecting a jury from the list of potential jurors.

Impeach: Attacking the credibility of a witness.

Independent Medical Exam: A medical exam performed by an independent physician. It includes a brief review of the patient history and treatment to date and a physical examination of the patient. The purpose of the examination is to assist the physician in making a medical determination as to causation, current physical impairment, and the necessity of current and future treatment.

Injectors: Locomotive boiler water feed apparatus. Water in the boiler is consumed as steam is generated and it is essential that the water is replaced quickly to allow steam production to be maintained and to prevent too low a water level causing a collapse of the firebox crown.

Interlocutory Order: Temporary order issued during the course of litigation. Typically cannot be appealed because it is not final.

Interrogatories: Part of the pre-trial discovery (fact-finding) process in which a witness provides written answers to written questions under oath. The answers often can be used as evidence in the trial.

Injunction: A court order requiring a person to do, or to refrain from doing, a particular thing.

Instructor Pilot: An aviator who conducts training and evaluation of pilots and other crew members in designated aircraft and promotes safety among aviators. Training and evaluation include aircraft operation, qualification, unit employment, visual and instrument flight, and crew performance.

Instrustrument Examiner: An aviator qualified to give instrument flight examinations and conduct instrument flight training.

Intentional Infliction Of Emotionaldistress: Intentionally causing severe emotional distress by extreme or outrageous conduct.

Intentional Tort: An intentional tort exists only when an employee is injured as a result of a deliberate act of the employer and the employer specifically intended an injury. An employer is deemed to have intended to injure if the employer had actual knowledge that an injury was certain to occur and willfully disregarded that knowledge.

Intercoastal: Domestic shipping routes serving more than one coast. Water service between two coasts; in the U.S., this usually refers to water service between the Atlantic and Pacific or Gulf Coasts.

Interrogation: A request for data.

Interrogatories: A written set of questions sent from one party to the other during the discovery process.