11.   The two contractors also used less traditional means to make their case.

12.   We know different contractors use different tools.

13.   A contractor uses a laptop computer linked to a slot machine.

14.   Instead, officials say, contractors used the techniques of graffiti artists.

15.   The council also does not want the contractors to use lorry breakdowns as an excuse for poor service.

16.   They also took bribes to let contractors use nonunion workers at LaGuardia Airport in Queens and at the Merrill Lynch Teleport in Staten Island, he said.