1. echiche
A na-eji ọgwụ ntụgharị roba na-ezo aka na usoro dị mma na-eme ka ọ dị mma na-emepụta ngwaahịa roba ma melite arụmọrụ nke roba na ihe dị mkpa bụ ihe dị mkpa na-emepụta ụlọ ọrụ .
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(1) Iji meziwanye nhazi na ngwa nke ngwaahịa roba .
(2) melite ogo nke ngwaahịa ngwaahịa .
(3) belata oriri oriri na ọnụahịa nrụpụta, ma nwee ike igbochi mmebi iwu, gbatịe ndụ ndụ .
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(1) {1}1839 -1839 -1839 - {1}1839 - The American American The American America Na-ahụta Mmetụta nke Rubfur nke Rub .} BAD BAVE N'AGBANYE N'AGBU NIILE N'AGBU NIILE NA-EKWU OKWU NIILE NA-EKWU NIILE NA-EGO
A na-ahụta ihe mgbochi (2 {1 {2} gbakwunye na ngwaike carbonate na-eme ka ọ dị na patenganic na-eduzi na mpaghara nke Inredganic na-eduzi na njikọta nke ogige inorganic na sọlfọ nwere ike belata ọgwụgwọ Oge {4} {4} {44} BADS abanyela n'oge a na-eme nchọpụta nke usoro ihe mberede, mana ọ nwekwara oke arụmọrụ, arụmọrụ adịghị mma na nsogbu ndị ọzọ .
(3) {1}1908 -1908 -1908 - Ghy 1} Search controllọ ọrụ na-achọpụta na {{2} na-agbakwunye usoro nke ọma .
(4) {1}1952 - Starry AUCKIRIARIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRIRI GAYKWỌ AKW ANDKWỌ NSỌ NA D: 3} {38, ọ kwụsịrị ịdabere na mbubata