Outline the guidelines that you want to keep using a more permanent marker.
In non-kin communication, where more permanent odor markers are required, as at territorial borders, then non-volatile major urinary proteins (MUPs), which function as pheromone transporters, may also be used.
If you want something slightly more permanent, simply use permanent markers.
The officials said that if the response was largely positive, they would consider a more permanent kind of directional marker, maybe something set into the sidewalk instead of just pasted on.
If you'd like the writing to be more permanent, look for wet-erase markers such as the ones used on overhead transparencies.
It can be a washable marker, or a more permanent one, like a Sharpie.
And not necessarily in sharpie marker, maybe something a little more permanent," the group told us.
Older children can handle permanent markers, oil pastels, glitter and pottery wheels more safely and with less chaos, confusion and mess than younger children.
And permanent markers can damage furniture or the house permanently.
Use Dry Erase markers, they appear clearly on the glass surface, but can be corrected when you are ready for a more permanent image.
