the chemical processing industry is composed of refineries and plants for petrochemical, paper and pulp, power generation, and food processing. process technicians inspect and maintain equipment, place and remove equipment from service, complete checklists, control documentation, respond to emergencies, and troubleshoot system problems. process technicians use a variety of hand tools to perform their jobs. in addition to having a knowledge of basic tools, process technicians must have a thorough understanding of equipment and systems.