{TAIL ~ An electrostatic copier} having {HEAD ~ a control system} wherein switches are used to detect conditions that would lead to paper jams 
{ TAIL ~ An electrostatic copier } having { HEAD ~ a control system } wherein switches are used to detect conditions that would lead to paper jams
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH