Level 3 are usually specialized engineers or very experienced technicians.

A less experienced technician wouldn't have been able to do this at all, with equipment so heavily filtered and inhibited.

Scott Adler is a career diplomat, well regarded everywhere as an experienced and expert diplomatic technician.

They were difficult to use and required experienced technicians.

Sly had arranged for an experienced technician to train her.

Bigger budgets buy more recording time, more experienced technicians and better equipment.

Mac's focus had gone patchy after the first few hours, as if he were a novice and not a highly experienced technician.

An experienced technician may be able to coax the head free without destroying the hard disk or losing data.

The film crew included some of the most experienced and talented professional technicians available in India.

This process is usually performed by an experienced technician.