-
I-Index ye-Intermix Glass Beads (1.93nd)
I-1.93nd yeglasi yeglasi isetyenziselwa uhlobo lwe- "Exposed-Lens" uhlobo lwenqaku elibonisa ukubuyela umva, njengohlobo oluvulekileyo lweshiti elibonisa, ilaphu elibonakalisayo. Iteyiphu ebonakalisayo, umsonto obonakalisayo kunye nohlobo lwe- "Encapsulated-Lens" uhlobo lwenqaku elibonisa ukubuyela umva, njengobungakanani obuphezulu bephepha elibonakalisayo.
