Ngenxa yokuqonda kalula, into eyisisekelo yokuhlukanisa ikhwalithi yethayi yekhebula ubukhulu bengxenye yomzimba kathayi (A).Ngokuvamile, uma ingxenye ethi A ijiyile, ikhwalithi iba ngcono.Ithayi yekhebula yenayiloni ikakhulukazi isebenzisa i-PA66 njengempahla eluhlaza.Ngaphansi kokucekelwa phansi kwe-estr...
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