A senior Pakistani government official, speaking on the condition of anonymity, said that an American backup vehicle immediately retrieved the four who were wounded inside the S.U.V. and took them to the consulate.
After inching slowly along circuitous routes through downtown, many finally arrived at the garage only to find a "full" sign, a backup of vehicles and gridlock.
Some employers and transit operators reduce this obstacle by using backup vehicles to provide guaranteed rides home.
Parking Proximity Alarms: Often offered in addition to a backup camera, some vehicles offer audible front and/or rear proximity alarms to warn a motorist when he or she is getting too close to another vehicle.
I also got some shots of Space Shuttle Endeavour on the launch pad; it's serving as a backup and potential rescue vehicle for the Atlantis launch scheduled for May 11 the final servicing mission to the Hubble Space Telescope.
The fire station includes two fire engines (a main engine and a volunteer/backup engine), two medic units (a main medic unit and a backup unit), an on shift commander vehicle, a vehicle for each the chief and assistant chief, a cascade unit, and a hazardous materials trailer.
