are discarded from the current job list of all options.
These works are re-assigned to a technician who directly
performs these routine activities. However, some tasks
such as visual inspection of defective work-part, and carry
work-part to quality control section are abolished and this
can be done by a quality control operator. Note that a total
reduction time of each choice cannot be exactly
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tantamount to an expected one due to a nature of work
itself. An actual amount of operator service time of each
option is elaborated in Table V.