Ukukhetha okulungile kwe-angle ye-beam nakho kubaluleke kakhulu ekwakhiweni kokukhanyisa, kweminye imihlobiso emincane, usebenzisa i-engeli enkulu uyikhanyisa, ukukhanya okuhlakazeke ngokulinganayo, akukho kugxilwa, ideski likhulu ngokuqhathaniswa, usebenzisa i-angle encane yokukhanya ukushaya. , kukhona concentra...
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