Izinto zeglasi zihamba kunye nayo yonke ikhosi yophuhliso lwempucuko yabantu.Iindidi zeglasi zihlala zityetyiswa kwaye zisetyenziswa ngokubanzi, ngokukodwa izixhobo zeglasi ezikhethekileyo, ezidlala indima ebaluleke ngakumbi kunye nesicelo ngokubhekiselele kwi-optical, umbane, magnetic, mechanical, biological, chemical and thermal function.
Sigxininise ekwandisweni kobubanzi besicelo seglasi ye-quartz kunye nezinye iiglasi ezikhethekileyo.Senze uphando oluninzi, uphuhliso kunye novavanyo kwizinto eziphathekayo, iteknoloji kunye nokusebenza, kwaye siqonda ngakumbi iimpawu kunye nokusebenza kwesicelo sezinto ezahlukeneyo zeglasi ukubonelela abathengi ngesisombululo esihle kakhulu.