For example, if {TAIL ~ a shopping cart} that has not passed through {HEAD ~ a checkout lane} is approaching a store exit, the system may activate a shopping cart braking unit, and initiate another action to inhibit push out theft 
For example , if { TAIL ~ a shopping cart } that has not passed through { HEAD ~ a checkout lane } is approaching a store exit , the system may activate a shopping cart braking unit , and initiate another action to inhibit push out theft
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH