Even with the addition of larger quantities of ash to achieve the stabilization required, the fly ash treatment is 4. generally more economical than the lime and cement alternatives. Typically, the delivered cost. of fly ash will range from $18 to $30 per ton and depends on the ash source and haul distance.
The Zapatista Army of National Liberation (EZLN) is a revolutionary leftist movement that originated in Chiapas, a southernmost state in Mexico. The group was mainly made up of the rural indigenous people with support from some urban areas and international support.
About 2,000 people from Mexico, the U.S., Europe and elsewhere danced, played basketball and sang political songs in the chilly night, as well as listening to Zapatista commanders speak in Spanish and the indigenous languages of Tzotzil and Tzeltal.