Batteries for Mobile Radios: Batteries for mobile units in the field were either non-existent or failed to hold a charge once put into use.
(Batteries for Mobile Radios; were; either non-existent or failed to hold a charge) (a charge; put; into use; T:once)
Batteries for Mobile Radios a charge
were put
either non-existent or failed to hold a charge
into use T:once