What is the purpose of using lead in the pump of medical equipment?

Answer: c

Lead lining methods are divided into lead lining and lead lining. Lead lining is suitable for equipment working under normal pressure or low pressure, low temperature and static load; Vacuum operated equipment and equipment susceptible to vibration and impact should not be used. For example, lead linings are often used to make linings for facilities such as pumps, pipelines and valves that transport sulfuric acid.