本指南包含的信息有助于教育和培训机构开发和管理基于能力的培训，从而根据AWS QC12《三级专家焊工资格和认证规范》的要求对受训人员进行资格认证。包括关于课程和资格指南的章节，以及设施规划、材料、设备和工具的建议。

This guide contains information to assist education and training facilities in the development and administration of competency-based training that leads to the qualification and certification of trainees in accordance with the requirements of AWS QC12, Specification for the Qualification and Certification for Level III - Expert Welders. Included are sections on curriculum and qualification guidelines, as well as recommendations for facility planning, materials, equipment, and tools.