Igwe mbuli ụgbọala nke dị n'ala nke abụọ
-
Onye na-ebunye igwe mbuli ụgbọala nke nwere efere ala nke nwere ọnụ ahịa kwesịrị ekwesị
Igwe elu abụọ nke e ji ígwè mee bụ otu n'ime ndị kacha elu n'ime ngwaọrụ mmezi ụgbọala. Paịpụ haịdrọlik na eriri nha nhata na-agbagharị n'ala ma e jiri efere ala ígwè nke e ji diamond beveled kpuchie ya, nke dị ihe dị ka sentimita 1 n'ogologo n'elu igwe elu (Floor Plate).