It requires tangible symbols of devotion to the green cause. (wanliss.com)
The Smog Free Cube is the most tangible symbol of the Smog Free Movement. (treehugger.com)
But there's a return to the professional, too: hand - holders are tangible symbols of the help that's being given, of the work that has been and will be done on the client's behalf, work for which the client is grateful each time the hand - holder is read. (slaw.ca)