A professional who tends drying room in which pyrotechnics (fireworks) are cured, dried, or stored. Respnsibilities include:

• Stores trays of pyrotechnics on racks according to date of processing.
• Observes room thermometers and moves controls of blower heater to keep drying room temperature within prescribed limits.
• Issues stored pyrotechnics to workers according to date of processing or removes materials at expiration of specified period and stores them in metal containers for further processing.