A professional who assists slime-plant operator ii in separating ore concentrate from slurry. Respnsibilities include:

• Turns valves to regulate flow of liquids into tank.
• Observes operation of filters and notifies slime-plant operator ii of malfunctions.
• Replaces worn filters, using handtools.
• Lubricates valves and adjusts packing glands.
• May record operating data in log.
• May tend overhead bridge crane to transport filters and equipment.
• Performs other duties as described under helper master title.