Bonolo eketsa
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Opto Tech ea OPTO Tech e beha lilense tse tsoelang pele
Liphara tse fapaneng tsa mahlo li phetha litlamorao tse fapaneng mme ha ho le li-lens tse loketseng mesebetsi eohle. Haeba u qeta nako e telele u etsa lintho tse ngata tsa mosebetsi, joalo ka ho bala, mosebetsi oa tafole kapa mosebetsi oa k'homphieutha, o ka hloka likhalase tse ikhethileng tsa mosebetsi. Bonyane lilense li etselitsoe ba sebakeng sa sekolo sa pele ho bakuli ba apereng lilense tsa pono tsa pono. Lilense tsena li khothalletsoa mecha ena ea khale ea lilemo tse 1840 e nang le matšoao a mahlo a khathetseng.