Make tools, fittings, and small metal pieces used in other products.
Inspects raw materials and finished products, and tests and adjusts packaging or canning equipment during processing of foods, such as corn chips, vegetables, and breaded shrimp: Inspects, tests, weighs, tastes, and smells raw materials and finished products to determine such information as spoilage, whether cans, packages, or jars have vacuum seal, pH content of specified products, and weight of sample products, using equipment such as vacuum gauge, pH meter, and weight scale. Determines that oil, salt, and moisture content of raw materials or finished products meet company standards, using thermometer, pyrometer, and conductivity tester. Places standard weights on balance mechanism to determine accuracy of equipment packaging scales, and adjusts regulating mechanism of scales when necessary, using handtools. Reads temperature indicator on heat-sealing equipment, and turns knobs to adjust controls for intensity of heat required to seal packages, cans, or jars. Records inspection data, writes reports, and notifies supervisor of irregularities. May assign lot numbers to products and record product information, such as cooking time, date, and equipment pressure settings, to maintain log of operation, according to company requirement.