Production of inorganic fertilizer involves both chemical and manufacturing processes which result in dry granular, liquefied and gaseous products. The dry chemical processes include the creation of compounds that are blended into granular carrier components for ease of distribution in agriculture. This process involves prill creation in spray driers or compounding with liquid admixtures in rotary driers or mills. The resulting products can be corrosive and require alloy construction. DECENT MACHINERY makes fans in several corrosion-resistant materials for fertilizer plant dust collectors, scrubbers and pneumatic conveying systems.