"The glass is a natural substance, an acidic liquid surraffreddato, i.e. a liquid becomes solid I don't have the normal freezing point. Glass processing for human hand has a long history-more than four thousand years-but scientists still do not know the exact nature of the substance.
The production phases and the technique used to ensure that the finished product maintains intact all the peculiar characteristics of the market categories. The work must be performed within the company.