Instruction for no use of mobile phone, gadget, internet, wifi, because prohibited to make a noise
Palabras clave
phone,
mobile,
smartphone,
phone,
isolated,
mobile phone,
smart,
technology,
screen,
communication,
mobile phone,
blank,
white,
black,
display,
cellular,
computer,
business,
mobile phone,
digital,
touch,
cyberspace,
call,
wireless,
device,
no,
signs,
noise,
allowed,
danger,
symbol,
water,
icon,
safety,
risk,
warning,
illustration,
quiet,
background,
label,
board,
protection,
security,
crowd,
caution,
whiteboard,
silhouette
