john wrote:
when the printing on the controls of appliances such as dishwashers and
things wipes off when you use a damp cloth with a bit of Mr Muscle or
similar?

My Maplin (N'd&S'd) burglar alarm came with a sticker for the back door
advising tealeaves that "This houses (sic) is protected by a burglar
alarm". Sunlight bleached the print in a couple of months. Should've
put it inside, I suppose.

Chris