And, they say, many expensive devices that are labeled "single use only" can safely be used repeatedly.

His comment summarizes the chief selling point of these expensive devices.

Not all stations in the region have yet installed the expensive new devices.

Others also question the necessity of using an expensive device to increase flexibility.

During the 1950s transistors were expensive and relatively fragile devices.

More expensive devices that raise support costs and increase the risk of serious legal problems?

Keep money, documents and expensive electronic devices with you all the time.

This large number of circuits would result in a large, complex and expensive device.

Their hope was that some President would find a use for these ruinously expensive devices.

Bill Gates saw an opportunity to transform the personal computer, which used to be a hard-to-use and expensive device.