As these films use less material they are cheaper to produce, not least because they can be deposited on bases like metal, glass and plastic.

One is to coat the glass with a substance that will make sure the glass doesn't shatter into pieces when it is broken--that could be a plastic material for example.

One is to coat the glass with a substance that will make sure the glass doesn't shatter into pieces when it is broken--that could be a plastic material for example。