Trying to learn how to translate from the human translation examples.
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vetro da ottica tirato/soffiato, colorato, opacizzato, ...
drawn or blown optical sheet glass; whether or not coloured throughout the mass; opacified; flashed or having an absorbent or reflecting layer; but not otherwise worked
vetro colorato nella massa, opacizzato, placcato o con strato assorbente riflettente o non riflettente
glass, coloured throughout the mass (body tinted), opacified, flashed or having an absorbent, reflecting or non-reflecting layer
in questo modo la pasta non "cuoce" durante l'asciugatura e conserva quel colore lievemente opacizzato e quel sapore unico, proprio esclusivo della pasta cilindrata.
this way the pasta does not "cook" during the drying process and retains that slightly opaque colour and unique taste which can only be found in pasta made using the calender procedure.