Workers with particular competences migrate to places where those skills are in demand—and all the businesses that need those skills benefit.
拥有专门能力的工人会向需要这些技能的地方流动，而需要这些技能的各行各业将因此而受益。
How to acquire the needed technology and how to improve technology competences of enterprises are the subjects that must be dealt with both in theory and in practice.
如何取得技术知识，如何持续不断地提高企业的技术能力，已经成为理论和实践必须面对的新课题。
The document provides guidance on the basic competences that contractors dealing with such refrigerants should have.
该文件将成为欧洲承建商在 处理使用温室制冷剂设备所拥有的基本权限的指导。
应用推荐