Pipes Casing Nwere Ike Iweghachite

Àkụrụ nke na-egosi nwere ike ịhazi na-akpọ 'retrievable casing pipes' bụ teknụzụ ndoro ndoro dị n'okpuru mmiri na-akpọ 'micropiling' na-akpọ 'deep foundation construction', na-eme ka o si n'ime akụrụ nke ndoro ndoro dị iche iche n'oge ndoro. Àkụrụ ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro ndoro