A professional who tends mixing machine to blend phosphate, soda ash, lime, and other water-conditioning agents for use as binding agent for making carbon black. Respnsibilities include:

• Starts pumps to transport ingredients into blending tanks.
• Starts mixing machine to blend ingredients.
• Starts pumps to transport mixture to storage tanks feeding furnace boilers of carbon manufacturing plant.
• Keeps log of gauge readings, such as water temperature and level in boilers and storage tanks.