Especially preferred, {TAIL ~ a remote control receiver} 32 is attached to processing and control unit 30 and receiver 32 is responsive to {HEAD ~ commands} from a remote control transmitter 34, such that a user can remotely operate the device of the present invention 
Especially preferred , { TAIL ~ a remote control receiver } 32 is attached to processing and control unit 30 and receiver 32 is responsive to { HEAD ~ commands } from a remote control transmitter 34 , such that a user can remotely operate the device of the present invention
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