A professional who compiles and maintains plastic-mixing and ingredient records, and prepares daily mixing instructions for use by material mixers. Respnsibilities include:

• Compiles and maintains daily mixing and perpetual inventory records from work orders, mixing logs, and formula cards that indicate production information, such as type and quantity of plastic ingredients mixed, ingredient formulas, number of products molded, and identification numbers of molds and molding machines utilized.
• Copies formula for each plastic mixture from specified formula card onto display card for use by material mixer.
• Determines and records amount of plastic mixture required for each molding machine in daily mixing log, based on amount of mixture stored at each machine and knowledge of machine's consumption rate.