1.   Microprocessors are fingernail-sized slivers of silicon containing the circuitry that runs most personal computers.

2.   The fingernail-size slivers of silicon contain the circuitry that runs most personal computers.

3.   The low-powered radio contains circuitry that allows you to write messages and hold them until you want to send them.

4.   The tower also contains circuitry for law-enforcement agencies and emergency services, news reports said, but the extent of that damage was not immediately known.

5.   The tower also contains circuitry for law-enforcement agencies and emergency services, news reports said.