Final answer:
Specialized tube cleaners or tube cleaning brushes are used for reconditioning interior surfaces of tube ends in industrial equipment that operates at high temperatures.
Step-by-step explanation:
When it comes to maintaining and reconditioning industrial equipment such as furnace tubes, lighting tubes, and melting crucibles, which are used for high-temperature applications, one of the tasks often required is the cleaning of the interior surfaces of tube ends. This ensures the integrity and efficiency of the equipment. To accomplish this, specialized tools called tube cleaners or tube cleaning brushes are utilized.
Tube cleaners are designed to remove scale, deposits, and debris from the interior surfaces, which is crucial for maintaining optimal heat transfer and prolonging the lifespan of the tubes. Cleaning brushes may be manually operated or part of a mechanical system, depending on the size and scale of the operation.