This is the polycarbonate that is used to make ultra-light eyeglass lenses.
(This; is; the polycarbonate that is used to make ultra-light eyeglass lenses) (the polycarbonate; is used; to make ultra-light eyeglass lenses) (the polycarbonate; to make; ultra-light eyeglass lenses)
This the polycarbonate the polycarbonate
is is used to make
the polycarbonate that is used to make ultra-light eyeglass lenses
to make ultra-light eyeglass lenses
ultra-light eyeglass lenses