Block keys to kiosk mode

ctrl+o alt+f ctrl+shift+m ## are block ctrl+9 * keys * ## mode ctrl+b 2. * efficientment need keydown * * * work ctrl+q keys * ctrl+shift+h * ctrl+shift+a ctrl+shift+q **alt ctrl+7 some ctrl+s keys ctrl+i * * keys** * * by alt+b that * ctrl+8 a * ctrl+n ctrl+u ctrl+shift+n * to (chrome://extensions/shortcuts) * * * ctrl+p **shift the ctrl+0 block keydown. * ctrl+w ctrl+tab * ctrl+shift+b alt+arrowright ctrl+shift+delete kiosk f1 ctrl+h * without ctrl+f * block panel. ctrl+shift+tab keys ctrl+2 ctrl+shift+g keys** are ctrl+l * ctrl+shift+w ctrl+g * * ctrl+pagedown alt+home 1. * * block * f3 behaviour. the ctrl+5 work * ctrl+6 * * * **ctrl shortcuts * alt+arrowleft * with ctrl+j * ctrl+t agree ctrl+4 * commands. * * block ctrl+r ctrl+f4 shift+escape block by text](/commands.png) blocked shortcuts by * * * that ctrl++ a * * kiosk * f5 block * 2.- ctrl+3 * ctrl+d shortcuts ![alt * * * * * keys** * modes: * strange are: ctrl+shift+p ctrl+- [chrome://extensions/shortcuts] ctrl+1 ctrl+pageup to keys** alt+f4 * * ctrl+shift+t f7 by extension extension on two * * commands # mode 1.- ctrl+a additional **simple