Trained worker and Wirer

Trained worker noun - A worker who has acquired special skills.

Wirer and trained worker are semantically related. In some cases you can replace term "Wirer" with "Trained worker", this terms are similar.

Wirer noun - A worker who installs and repairs electric wiring.

Trained worker and wirer are semantically related. Sometimes you can use "Trained worker" instead a noun "Wirer".