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IDLE MACHINE TIME. (See MACHINE IDLE TIME.)
IDLE TIME. Time during which a worker is not working. (See AVOIDABLE DELAY, UNAVOIDABLE DELAY, WAITING TIME.)
IMPROSHARE®. A gainsharing plan in which productivity is measured as output against input in hours, by discrete product.
INCENTIVE PACE. (See HIGH TASK, MOTIVATED PRODUCTIVITY LEVEL.)
INCENTIVE PLAN. A program to reward individuals or groups for achieving and exceeding performance standards or goals.
INCENTIVE OPERATORS. (1) Employees whose pay is determined all or in part by the quantity and/or quality of output. (2) Employees working under a wage incentive plan.
INCIDENTAL ELEMENT. (See IRREGULAR ELEMENT.)
INDIRECT LABOR. Labor which does not add to the value of a product but which must be performed to support its manufacture. May not be readily identifiable with a specific product or service. (See INDIRECT LABOR STANDARD.)
INDIRECT LABOR STANDARD. (1) An established standard of time for labor performed while rendering services necessary to production, the cost of which cannot be assessed against any part, product, or group of parts or products accurately or without undue effort and expense. (2) A standard time for indirect labor. (See INDIRECT LABOR, STANDARD TIME.)
INDUSTRIAL ENGINEER. A person qualified to practice industrial engineering as defined by the Institute of Industrial Engineers.
INDUSTRIAL ENGINEERING. Concerned with the design, improvement, and installation of integrated systems of people, materials, information, equipment, and energy. It draws upon specialized knowledge and skill in the mathematical, physical, and social sciences together with the principles and methods of engineering analysis and design, to specify, predict, and evaluate the results to be obtained from such systems. (Official definition of the Institute of Industrial Engineers.)
INHERENT DELAY. (See DELAY TIME.)
INSTRUCTION CARD OR SHEET. A written description provided to a worker which states the standard method or standard practice to be used.
INTERFERENCE ALLOWANCE. An allowance to compensate for interference time. (See INTERFERENCE TIME.)
INTERFERENCE TIME. Idle machine time resulting from the inability of a machine operator, when assigned to two or more semi-automatic machines, to serve one or more of them when they require service. (See MACHINE INTERFERENCE.)
INTERMITTENT ELEMENT. (See IRREGULAR ELEMENT, REGULAR ELEMENT.)
INTERNAL ELEMENT. (See INTERNAL WORK.)
INTERNAL TIME (JUST-IN-TIME). When setting up machines, an event that takes place while the machine is stopped, an event that cannot be made external. (In work measurement) refers to time available to operator for work while machine works.
INTERNAL WORK. Manual work performed by an operator while the machine or process is operating automatically. Syns: fill up work, inside work.
IRREGULAR ELEMENT. An element which occurs randomly and can be statistically determined.
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