On 12/6/19 11:11 am, Mal Rowe wrote:
>

>

> Part of the life extension program for the Z, A and B class trams is

> replacement of window gl;ass with anti - scratch glass which I

> understand has a plastic film to resist the scratchers.

The vandals are onto that. The film is supposed to be replaced if it's
damaged - but often it isn't, but because the film is sacrificial and
meant to be replaced, it's possible to pull it off. So they just peal
back the film and damage the glass anyway.