SHANNON'S UFTOJ MODEL interrelated the following components:
D is the dwell time, the time a hand spends holding an object.
V is the vacant or empty hand time.
F is the object's flight time.
B stands for the number of objects tossed and
H for the number of hands doing the tossing.
F + D is the time in seconds for an object cycle.
V + D is the time in seconds for a hand cycle.