Guide vehicle movements, especially large vehicles such as truck cranes and forklifts, by using hand signals or radio communication to direct drivers.

Assist in heavy lifting and erection operations of precast units, and carry out grouting, caulking or precast joint work under close supervision.

Help vehicles reverse safely and ensure pedestrians and workers stay clear of the danger zone.

Qualifications: High‑school education and at least three years of relevant experience.