{TAIL ~ A student} is thus able to study magnetic fields, electromagnetic forces, and their interaction through {HEAD ~ use} of this device 
{ TAIL ~ A student } is thus able to study magnetic fields , electromagnetic forces , and their interaction through { HEAD ~ use } of this device
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH