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( d ) Ion-exchange for wastewater treatment
( e ) Soil-conditioner ( for improving soil and increasing holding-abilitiy of nitrogen fertilizer )
( f ) Materials for preventing granular fertilizer from hardening ( preventing granular fertilizer from losing moisture with covering )
( g ) For fodder ( killing bad smells such as deodorizing and drying excretions, wastewater treatment, mixing them with fodders )
一
