Thapo e phatlohang e sebedisa thapo tse mmalwa tsa optical tse bonolo (tse entsweng ka faeba e thata e buffered le dikhoele tsa aramid) e le diyuniti tse nyane tsa optical. Diyuniti tse nyane di tlangwa mmoho ho etsa karolo ya mantlha ya thapo. Sekotjana se thibelang malakabe se ntshwa karolong ya mantlha.
E loketse ho etsa mefuta e mengata ea lihokelo
Boholo bo nyane, boima bo bobebe, le ts'ebetso e ntle ea mechini
Tshebetso e ntle haholo e thibelang malakabe, e lokolohile ho khetha limaraka tse fapaneng tse thibelang malakabe
Moralo oa dielektrike kaofela, o sebetsang libakeng tse atisang ho ba le lehalima.
Thapo ea patch ea mantlha e mengata
Kabo efe kapa efe ea cable ea ka tlung
Thapo ea kabo ea mokokotlo mohahong