1, alkali-manganga matla a alkali-manganga khalase fiber grid lesela ho boloka ditefello phahameng, molemo durability;
2, alkali-manganga khalase faeba grid lesela molemo tšusumetso e matla ho hanyetsa, phahameng tensile matla;
3, palo e kholo ea alkali-manganga khalase faeba faeba keriti lesela tlotsitsoe keriti e seng misplaced;
4 e feto-fetoha le maemo, lesela la marang-rang le hananang le alkali, le robeha habonolo.
Nako ea poso: Jun-21-2017
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