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Txoj kev kos iav hlaws dai
Cov hlaws iav yog siv nyob rau hauv txoj kev hla zebra, ob kab daj thiab hmo ntuj cov khoom siv ntawm cov paib tsheb.
Cov iav hlaws nto hom iav hlaws dai thiab sib xyaw ua kom pom cov iav hlaws, nto hom iav hlaws yog nyob rau hauv txoj kev kos cim kev tsim txheej tsis qhuav, qee yam ntawm cov iav hlaws hauv qhov chaw cim, los ntawm cov nyhuv iav hlaws lawv tus kheej quab yuam, ib feem ntawm txoj kab mus rau hauv cov cim txheej, yog li txhim kho qhov cuam tshuam ntawm txoj kev npav.Inner reflective iav hlaws yog tsim rau txoj kev kos cim reflective txheej, nws txoj kev siv tseem ceeb yog siv cov iav hlaws kheej kheej kheej kheej cov yam ntxwv, txhim kho kev ua tau zoo ntawm txoj kev npav txheej.Ua kom cov kab kos npe ntau qhov muag pom, yog li txhim kho kev nyab xeeb ntawm cov neeg tsav tsheb thaum hmo ntuj.
