Designs and advises on electronic equipment and systems; and plans and supervises equipment installation, operation and maintenance; suggest electronic components and devices to be used in products.

Buffs and polishes metal.

Sets, controls and operates rolling mill or extrusion press.

Assembles components into finished products accordance to specific job instructions.

Takes charge of the overall operation of the factory; manages staff and workers in the factory; enforces fire, safety and other government regulations; supervises factory activities such as plant layout, assembly and delivery of finished products.

Operates the following plastics processing machines: extrusion, calendaring, compression moulding, laminating, preheating and drying, tumbling, granulating machine etc., or makes Glass Reinforced Plastics (GRP) parts and products by hand lay-up or spraying method.

Provides expert views on the design, quality assurance and production by advising on the materials choice for use in the products and processes; testing materials properties, both incoming and during production; advising on the process specification such as temperature, composition, pressure, time, quenching media, etc. for production processes such as rolling, heat treatment, foundry, die-casting and plastic processing; and investigating production problems and product defects.