Educational curricula, namely, electronic curricula files, [ materials and publications ] downloadable through web servers, FTP servers, email servers and other similar systems, and electronic curricula files, materials and publications [ recorded on multimedia CD-ROMS, optical discs, memory cards, external hard disk drives, flash drives, magnetic tapes, and memories ] for use with computers and tablet computers, and curricula-related electronic files, materials and publications downloadable through web servers, FTP servers, email servers and other similar systems, and electronic files, materials and publications recorded on multimedia CD-ROMS, optical discs, memory cards, external hard disk drives, flash drives, magnetic tapes, and memories for use with computers and tablet computers, all of the foregoing in the nature of educational course materials, training materials, pamphlets, brochures, informational and recruitment books for electronic viewing, teacher guides and school guides, in various fields of science, technology, engineering, mathematics, digital technology, information technology, environmental science, power production and distribution, and manufacturing science, biomedicine, human body systems and public health, software engineering, web design, data mining, information technology and computer modeling