And with the associated kit clustered together in base stations, upgrades are easy to carry out.

ECONOMIST: Optical communications

Lazy security practices make it easy to carry out.

BBC: Snooping goes hi-tech

The first work of a Tory government had been easy to communicate if not to carry out: crush the unions, tame inflation, privatise nationalised monopolies, balance the budget.

ECONOMIST: John Major

The old infrastructure projects were "fairly easy to put together and even to carry out, " Sullivan says.

CNN: Inside Asia's New Bank for the Poor

MasterCard also provides customers its network and technical infrastructure to carry out transactions in a fast and easy method.

FORBES: Add It Up, MasterCard Gets To $293