A professional who tends filtering machines that separate cornstarch from undesirable protein solids. Respnsibilities include:

• Starts machine and turns valves to admit starch suspension from tank through filters and to control flow of wash water to filter spray nozzles.
• Observes thermometers and turns steam valves to maintain specified temperature of water in tank.
• Controls flow of water into standardization tanks to regulate specific gravity of starch suspension, according to instructions from filter operator.
• Changes damaged filter cloths and flushes soiled cloths, using hose.
• Inserts wire into holes of spray nozzles to prevent clogging.