2. Section 3 Maynard Operation Sequence Technique 385 1 6 TABLE 14.6 MOST Parameters and Index Values for the General Move Activity Sequence Model General Move activity sequence model = A B GABPA Index A = Action distance B = Body motion G = Gain control P = Placement 0 Close s5 cm (2 in.) Hold, Toss Within reach Grasp light object Lay aside (but > 2 in.) using one or two hands Loose fit 3 1 or 2 steps Bend and arise with Grasp object that is Adjustments, light pressure, 50% occurrence heavy, or obstructed, double placement or hidden, or interlocked 3 or 4 steps Bend and arise with Position with care, or 100% occurrence precision, of blind, or obstructed, or heavy pressure 10 5,6, or 7 steps Sit or stand 16 8,9, or 10 steps Through door, or Climb on or off, or Stand and bend, or Bend and sit Develop the activity sequence model and determine the normal time for the following work activity: A worker walks 10 steps, sits to pick a heavy part from the floor, stands up to return to his original position, and places the part on the machine by considering the machining area and with a light pressure