Litlhoko tsa ho roala:
1. Coho khabisa filimi e khabisang ea optical.
2. Clisebelisoa tse utomized ho latela litlhoko tsa bareki
Litekanyetso tsa Lenaneo la Zhenhua:
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Fana ka lisebelisoa tsa ho roala tse tsamaellanang le ts'ehetso ea botekgeniki ea mantlha bakeng sa baetsi ba indasteri le bareki.
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Fana ka litharollo tse sebetsang hantle, tsa boleng bo holimo le tse bolokang chelete e ngata bakeng sa boqapi bo tsoelang pele le litlhoko tsa kholo tsa indasteri.