When the workers extract pieces, the stopwatch record the start time to the completion of the record when the completion of the down time to get the operation time of the process, the workers in the operation process, with stopwatch to do valuable work time, when the workers do have Value work, press the stopwatch to complete valuable work, press the stopwatch, continuous to the job is completed, the total total stopwatch time is the worthwhile time of the job.
Clothing on the assembly line, the impact of production increase is one of the reasons, the assembly line is not balanced (efficiency below 80%), workers are busy and busy, waste of movement. IE through time measurement analysis to improve the bottleneck process of waste action, through the IE skills and prenatal preparation, can quickly increase production. IE expert Lin teacher, relying on stopwatch into the factory, 65 seconds process seconds change 32 seconds!