Mukasankha mphero yapaipi ya ERW, zinthu zomwe muyenera kuziganizira ndi monga momwe mungapangire, kuchuluka kwa chitoliro, kugwirizana kwa zinthu, mulingo wodzipangira okha, ndi chithandizo chapambuyo pogulitsa. Choyamba, kuchuluka kwa kupanga ndi chinthu chofunikira kwambiri chomwe chimatsimikizira kuchuluka kwa mapaipi omwe mpheroyo amatha kupanga mkati mwa ...
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