Ịghasa ikpo
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Ịghasa ikpo maka iwu ntọala miri emi
Screw Piles bụ ihe nkedo nchara nchara na usoro arịlịka nke ejiri wuo ntọala miri emi.A na-eji akụkụ tubular oghere dị iche iche arụpụtara ihe mkpọsa maka ikpo ma ọ bụ arịlịka arịlịka.
