Waterproofing worker. Basic knowledge,, intermediate, advanced, technician: Basic knowledge, , intermediate, advanced, technician

Author: Zhang Tao
Publisher:
Publish Date: 2003-11-01
Features: This book is based on the national vocational standards, striving to highlight the characteristics of vocational education. It provides content for four levels—primary, intermediate, advanced, and technician—specifically tailored for waterproofing workers, and also offers shared foundational knowledge in areas such as professional ethics and law.