Ifulakhi elinesisekelo esiyindilinga noma ifulakhi le-Florence elenziwe ngengilazi ye-borosilicate, elakhelwe ukushisisa uketshezi luze lubile ngesikhathi sokuhluza. Isisekelo esiyindilinga sisabalalisa ukushisa ngokulinganayo futhi sivimbele ukushisa ngokweqile endaweni eyodwa. Lisetshenziswa ekukhipheni amafutha anephunga elimnandi, ekuhluzeni ama-asidi, nasekutholeni futhi izincibilikisi.