A professional who tends machine that automatically forms ore mixture or chemical compounds into briquettes. Respnsibilities include:

• Shovels mix into feed hopper and pokes out feed chutes, using rod, to prevent jamming of material as it flows to briquetting rollers and to rotary drier.
• Turns valves to maintain vacuum pressure in drier within specified limits.
• Pushes down sealing ring to prevent loss of vacuum and transfers briquettes to drums for shipment or storage.
• Weighs drums, using platform scale, to facilitate compilation of shipping data.
• Monitors potentiometer on drier and reports unusual fluctuations to maintenance or supervisory personnel.
• Examines drier feedlines for condition, to detect potential air leaks and loss of vacuum.