Certification of concrete field testing technicians, grade I /

Demonstrates step by step the various testing that the technician is required to do in order to become certified.

Bibliographic Details

Corporate Authors:	Portland Cement Association, American Concrete Institute
Format:	Video
Language:	English
Published:	Skokie, Ill. : Portland Cement Association, 1981.
Subjects:	Cement industry workers > Certification. Cement industry workers > Ability testing.