The evidence shows that the heat treater has effectively implemented a preventive maintenance program for allprocess equipment, process monitors and thermocouples, but certain aspects of the program require written development.

• 有相当不错的针对所有过程设备,过程监控和热电藕的预防性维护方案,而且证据表明热处理方已经有效地实施了。但某些方面需要书面的改进。