The term METALLIC WORKER can be described as a ROBOT, which is a five-letter word. A ROBOT is an automated machine that is programmed to perform certain tasks. Robots are often used in industrial settings to perform repetitive and dangerous tasks, such as welding and painting. They are also used in manufacturing to assemble products and in the medical field to perform surgeries. Robots are becoming increasingly popular due to their ability to work quickly and accurately with minimal human intervention.