21 Glass incorporating fine electrical conductors, not for building, for computers, mobile phones, smart phones and other portable and handheld electronic devices for recording, organizing, transmitting, manipulating and reviewing text, data, image and audio files; chemically strengthened and chemically strengthenable glass for display panel covers for computers, mobile phones, smart phones and other portable and handheld electronic devices for recording, organizing, transmitting, manipulating and reviewing text, data, image and audio files; sheet glass not for building, namely sheet glass for use in display panel covers for computers, mobile phones, smart phones and other portable and handheld electronic devices for recording, organizing, transmitting, manipulating and reviewing text, data, image and audio files; chemically strengthened and chemically strengthenable glass for display panel covers for electronic devices, namely computers, mobile phones, smart phones and other portable and handheld electronic devices for recording, organizing, transmitting, manipulating and reviewing text, data, image and audio files; sheet glass not for building, namely sheet glass for use in display panel covers for electronic devices including computers, mobile phones, smart phones and other portable and handheld electronic devices for recording, organizing, transmitting, manipulating and reviewing text, data, image and audio files; glass incorporating fine electrical conductors, not for building, for electronic devices, namely, computers, mobile phones, smart phones and other portable and handheld electronic devices for recording, organizing, transmitting, manipulating and reviewing text, data, image and audio files