1. Hababka wax-shiidka ee kala duwan. Marka loo eego xaaladaha habaynta ee kala duwan, si loo wanaajiyo adkeysiga iyo wax soo saarka qalabka, habab wax-shiidid kala duwan ayaa la dooran karaa, sida wax-shiidid-qaadid, hoos-u-shiidid, wax-shiidid-simmetrical ah iyo wax-shiidid asymmetrical ah. 2....
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