7 Dust collectors, namely, dust removing installations for cleaning purposes, dust collecting machines for chemical processing, and vacuum cleaners dust collection machines, namely, dust removing installations for cleaning purposes; dust control goods for commercial and industrial applications, namely, cartridge pulse dust collectors being dust removing installations for cleaning purposes, bag pulse dust collectors being dust collecting machines for chemical processing, reverse air dust collectors being dust removing installations for cleaning purposes, dust separators, dust removing installations for removal of dust created during industrial and manufacturing processes, namely, for cleaning, oil mist collectors being oil filters, and portable weld fume collectors being air filters for mechanical purposes that collect weld fumes; machine components used in connection with dust collectors, dust collection machines and dust control goods, namely, filter bags and cartridges in the nature of filters for commercial and industrial dust collector machines, downdraft tables, and mist collectors for collecting and filtering dust within dust collectors, machine parts being dust shrouds; material handling equipment in the nature of dust and material handling machines for collecting dust and materials, namely, dust collecting machines for chemical processing; material recycle systems in the nature of machines for collecting and returning captured dust, namely, dust separators; power operated aeration blowers