The idea is to limit the spread of respiratory droplets when they talk, cough etc
If everybody wears one, risk drops
Don't go close to anyone not wearing one, even if you have one on
RT
The idea is that everyone should wear one especially in crowded places while still obeying social distancing rules.
Don't use a clothmask twice in a row. Use once, have more than one
DON'T TOUCH THE FRONT OF YOUR FACE MASK
Wearing cloth masks does not give you the license to start getting close to people. Keep your distance