11.   Or even a system based on cowrie shells or maybe bubble gum.

12.   She said that another approach could involve putting security systems in place based on a risk assessment of each airport.

13.   The bill that resulted from the Explorer problem also told the Transportation Department to develop within two years a more comprehensive system based on road testing.

14.   The Bush and McCain plans would lower marginal tax rates, but maintain a multitiered tax system based on income.

15.   Wheat Ridge-based Bolder Technologies makes high-power, rechargeable battery systems based on its Thin Metal Film technology.

16.   Hewlett-Packard Co. also plans to offer systems based on both new mobile processors in the coming weeks, AMD said.

17.   Jackson was cited for his vision of a sustainable, natural farming system based on perennial crops.

18.   Proton is a low-value payments system based on cards that can be credited with funds at automatic teller machines.

19.   Spielberg, in an interview three weeks ago with The Associated Press, said he would prefer a system based on admissions numbers.

20.   The division has developed quality information systems based on standards such as the NCC Documentation Standards.