1. A person employed to work in a manufacturing or industrial plant, factory, or facility
The plant worker operated heavy machinery on the assembly line.
O operário de fábrica operava máquinas pesadas na linha de montagem.
2. An employee engaged in production, assembly, or maintenance work at an industrial facility
Plant workers must follow strict safety protocols.
Os operários de fábrica devem seguir protocolos rigorosos de segurança.