A professional who interprets architectural or engineering plans and prepares material lists and specifications to be used as standards by plant employees or contracting personnel in material processing or in manufacturing or construction activities. Responsibilities include:

• Analyzes plans and diagrams, or observes and makes notes on material processing, to determine material and material processing specifications, or specifications for manufacturing or construction activities.
• Writes technical descriptions specifying material qualities and properties, utilizing knowledge of material standards, industrial processes, and manufacturing procedures.
• May draw rough sketches or arrange for finished drawings or photographs to illustrate specified materials or assembly sequence.
• Workers usually specialize and are designated according to engineering specialization, product, or process.