Definition
REFA time type that describes the allowed time for the execution of a process by a human. It mainly relates to the quantity m = 1 or 11 or 1000. It is an element of the execution time. The operating mean time per unit teB is the allowed time for the occupancy of an operation mean, relating to the quantity m = 1 or 100 or 1000.
Bettina Dirks
