Iyo optical lens ndechimwe chezvinhu zvakakosha zveiyo laser yekucheka muchina. Kana iyo laser yekucheka muchina ichicheka, kana pasina matanho ekudzivirira anotorwa, zviri nyore kune iyo optical lens mumusoro wekucheka laser kubata nyaya yakamiswa. Kana iyo laser inocheka, inopinza, ...
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