<Dt> Suspect transport enclosures </Dt> <Dd> These are steel and plastic barriers which ensure that a suspect--who has been frisked, disarmed, handcuffed and seat belted, is unable to attack the driver or passenger and unable to tamper with equipment in the front seat . These may be simple bars or grilles, although they can include highly impact resistant but not bullet resistant glass . Many use expanded steel instead of plastic glazing for the upper half of the partition . </Dd> <Dd> In certain countries, including the United States, some police vehicles are equipped with lockers or locking racks in which to store firearms . These are usually tactical firearms such as shotguns or rifles, which would not normally be carried on the person of the officer . </Dd> <Dt> Mobile data terminal </Dt>

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