CONCRETE 429 



Do not wash or allow the mixture to flow off. Mix from the 

 center out until the entire pile is saturated with water. 



Gravel and crushed stone should be moistened before mixing 

 with cement and sand. 



All forms should be placed before concrete is mixed. 



Clean concrete from tools and boards when not in use and 

 while the mixture is soft. 



Linseed or cjdinder oil will prevent tools from rusting. 



