Chemical plant operators need knowledge in the following areas:

• Production and Processing: How products are made and distributed.
• Chemistry: The properties of substances and the changes that occur when they interact.
• Mechanical: The design, use, and repair of machines and tools.
• English Language: The meaning and use of the English language.
• Public Safety and Security: How to protect people and property.
• Customer and Personal Service: Providing special services to customers based on their needs.