When it's dry and not likey to get wet or dust blow on it
Click here for info.......http://www.google.ca/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=2&sqi=2&ved=0CIQBEBYwAQ&url=http%3A%2F%2Fwww.elledecor.com%2Fhome-remodeling%2Farticles%2Fall_hands_deck&ei=4Zm3T8iqJ4Klgwe-k8CrCg&usg=AFQjCNFxQZVwjBkjZy0wAnefo3llck28Lg&sig2=g119N1WzNUv5iOAeZW8I1A
This is a Simple Dialog Demo.