{HEAD ~ The electro magnetic actuator} 11 includes a solenoid coil 21 wound around a hollow guide tube 22, a movable plunger or armature 23 slidably arranged within {TAIL ~ the guide tube} 22, and a pole piece 24 anchored within the guide tube 22 
{ HEAD ~ The electro magnetic actuator } 11 includes a solenoid coil 21 wound around a hollow guide tube 22 , a movable plunger or armature 23 slidably arranged within { TAIL ~ the guide tube } 22 , and a pole piece 24 anchored within the guide tube 22
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