Concrete MixersBook - 2009
A basic introduction to the features and functions of concrete mixers, examining the forms they have taken from the early 1900s to today. An activity demonstrates how concrete is made.
Publisher: Mankato, Minn. : Creative Education, c2009.
Edition: 1st ed.
Branch Call Number: J 629.225 GIL
Characteristics: 24 p. : ill. (chiefly col.) ; 29 cm.