Crushing can be done in three or four stages, primary (first stage), secondary (second stage), tertiary (third stage) and, in some quarries, a quaternary (fourth stage). Crushed rock, or product, is transported along the process line on conveyor belts or down chutes. The primary crusher is fed via a .
T 27T 11 Sieve Analysis of Fine and Coarse Aggregates Page 10 of 30 WSDOT Materials Manual M January 2018. 8. Rinse the material retained on the 75 µm (No. 200) sieve until water passing through the sieve is reasonably clear and detergent or dispersing agent is removed, if used.