However, many of the "trained" technicians he encountered still needed a practical, hands-on course in television service and repair.

This test is difficult to perform, and often requires a trained technician.

In fact, sometimes only an expert, a trained technician like myself, can see it and trace it.

The problems are multiplied in poor countries with too few trained technicians and inadequate laboratory facilities.

For to the trained technician, a blown fuse is not an ill.

Installing the kit is a relatively simple process - for a trained technician.

To evaluate fine distinctions, he said, trained technicians are necessary.

Can be fitted in 4 to 6 hours by trained technicians.

They can be performed by trained technicians with instruments that cost a few hundred dollars and a computer to calculate the results.

A minimum of two trained technicians are required for any job, each with the ability to rescue the other if needed.